1.Solid Carbon dioxide is known as ________,
A. Gas ice
B. Wet ice
C. Solid ice
D. Dry ice
Solutions
- Solid Carbon dioxide is known as dry ice.
- Solid Carbon dioxide has a lower temperature than that of water ice which does not leave any residue.
- It is useful for preserving frozen foods when mechanical cooling is unavailable.
- Carbon dioxide turns to dry ice when the temperature drops to -110° F.
- It changes from solid dry ice to carbon dioxide gas.
- Thereafter, it never passes through the liquid phase, and hence it is called dry ice.
2. Consider the argument and decide which of the given assumption is/are implicit.
Argument:
Akbar said to his queen, “Birbal is the wisest man in my kingdom.”
Assumption:
1. Akbar is not as wise as Birbal.
2. Akbar wants Birbal to become the next king.
A. Both 1 and 2 are implicit
B. Only assumption 1 is implicit
C. Neither 1 nor 2 is implicit
D. Only assumption 2 is implicit
Solutions
Birbal is the wisest man in the kingdom implies that no one, not even Akbar is as wise as Birbal. Hence assumption 1 is implicit. In the argument it is not indicated anywhere that Akbar wish to make Birbal the next king. Therefore assumption 2 is not implicit.
3. Direction: A Bar graph given below shows the registration of bikes and total vehicles (in thousands) for 6 months in 2017 in City X. Study the graph carefully and answer the following question.
Note: In the chart, the first number represents bikes and the second number represents total vehicles.
Based on the given data, in April 2017, the number of vehicles other than bikes registered is:
A. 9000
B. 15000
C. 11000
D. 10000
Solutions
In April 2017,
Total vehicles registered = 35000
Total no. of bikes registered = 20000
∴ No. of vehicles other than bikes registered = 35000 – 20000 = 15000
4. A/an ________ flame is produced when the oxygen supply is sufficient.
A. Orange
B. Red
C. Green
D. Blue
Solutions
- A blue flame is produced when the oxygen supply is sufficient.
- A blue gas flame indicates complete combustion.
- Red, orange and green gas flames could be the sign of incomplete combustion.
- With hydrocarbon flames, the amount of oxygen supplied with the gas determines the rate of combustion.
Note: Blue Flame = Complete Combustion.
Yellow/Red Flame = Incomplete Combustion.
5. The ratio of sand to gravel in a mixture is 3 : 4, while that between gravel and cement is 6 : 7. What is the ratio of sand to cement in the mixture?
A. 8 : 11
B. 3 : 5
C. 49 : 59
D. 9 : 14
Solutions
Ratio of sand to gravel = 3 ∶ 4 = (3 × 3) ∶ (4 × 3) = 9 ∶ 12
Ratio of gravel to cement = 6 ∶ 7 = (6 × 2) ∶ (7 × 2) = 12 ∶ 14
∴ Ratio of sand to cement = 9 ∶ 14
6. Which of the following devices converts Chemical energy into Electrical energy?
A. Electric cell
B. Electric fan
C. Hair dryer
D. Electric heater
Solutions
- Electric cell converts Chemical energy into Electrical energy.
- A cell that converts chemical energy into electrical energy is known as an electrochemical cell.
- The cell comprises of two electrodes and an electrolyte.
- Electrodes are made of materials that participate in the chemical reaction with the electrolyte.
- There are two kinds of chemical reactions which occur within the cell – oxidation and reduction.
- The two half cell reaction when combined is called redox chemical reaction.
7. If a solution turns blue litmus red, its pH is likely to be:
A. 9
B. 8
C. 6
D. 7
Solutions
- If a solution turns blue litmus red, its pH is likely to be 6.
- When Blue paper turns red in acid, then the pH is less than 7.
- When Red paper turns blue in the base, then the pH is more than 7.
Note: Litmus paper won’t change colour in water and its pH will remain 7.
8. Implantation is the process of ________.
A. Attachment of zygote to the lining of a uterus
B. The development of a child inside the mother’s body
C. Nutrition from mother’s blood through the placenta
D. Developing an embryo and its nourishment
Solutions
- Implantation is the process of attachment of zygote to the lining of a uterus.
- When the fertilized egg pushes itself into the tissue on the wall of the uterus, it is called implantation.
- The fertilized egg implants itself in the wall.
- The egg is fertilized up in the fallopian tube then travels to the uterus but floats for many days.
- When it implants in the tissue lining the uterus, it is the beginning of pregnancy.
9. Select the related letters from the given alternatives:
PUNE : SXQF ∷ CITY : _________
A. EKVZ
B. FLXZ
C. FLWZ
D. GMVZ
Solutions
The logic here is as follows,
Hence CITY is related to FLWZ.
10. The square of 11211 is:
A. 123432171
B. 125686521
C. 122331151
D. 123454321
Solutions
Concept used:
(a + b + c)2 = a2 + b2 + c2 + 2(ab + bc + ca)
Calculations:
Square of 11211,
⇒ (11211)2
⇒ (11000 + 200 + 11)2
⇒ (11000)2 + (200)2 + (11)2 + 2(11000 × 200 + 200 × 11 + 11 × 11000)
⇒ 121000000 + 40000 + 121 + 2(2200000 + 2200 + 121000)
⇒ 121000000 + 40000 + 121 + 2 × 2323200
⇒ 121040121 + 4646400
⇒ 125686521
∴ Square of 11211 is 125686521
11. Which of the following Venn diagrams correctly represents the following classes:
Men, Father, Doctor
A. 
B. 
C. 
D. 
Solutions
Here, all father are men, some men are doctor and some father are doctor.
Hence, the above diagram represents correct representation of the classes Men, Father and Doctor.
12. Arjun and Anurag complete a job in 5 days and 6 days respectively. They worked together and earned a total of Rs. 770. Find Arjun’s share in this amount (in Rs.).
A. 420
B. 490
C. 350
D. 450
Solutions
Formula used:
Efficiency = Total work/Time taken
Concept used:
Share is directly proportional to efficiency
Calculation:
Arjun can complete a job in = 5 days
⇒ Arjun’s 1 day’s work = 1/5
Anurag can complete a job in = 6 days
⇒ Anurag’s 1 day’s work = 1/6
⇒ Ratio of work efficiency of Arjun and Anurag = (1/5) ∶ (1/6) = 6 ∶ 5
∴ Arjun’s share = 770 × 6/11 = Rs. 420
13. In the modern periodic table, which of the two periods contain 8 elements each?
A. 2 and 3
B. 1 and 2
C. 4 and 5
D. 3 and 4
Solutions
- In the modern periodic table, 2 and 3 periods contain 8 elements each.
- The period second of the periodic table shell has 8 electrons in it that contains S and P subshell only.
- The second period contains 8 elements that are- Li3, Be4, B5, C6, N7, O8, F9, Ne10.
- The Period Three of the periodic table consists of the elements whose atoms have three shells occupied by electrons in its ground state because the S orbital of the fourth shell sits at a lower energy level than the d orbital of the third shell.
- The third period contains 8 elements that are- Na11, Mg12, Al13, Si14, P15, S16, Cl17, Ar18.
- Fourth and fifth consists of 18 elements respectively.
14. Qamar gained 14% on the resale of a used stereo. If he purchased the item for Rs. 1,500 then how much did he sell it for?
A. Rs. 1,660
B. Rs. 1,710
C. Rs. 1,740
D. Rs. 1,820
Solutions
Cost price of the stereo = Rs. 1500
Gain percentage = 14%
∴ Selling price = 1500 + 1500 × 14/100 = Rs. 1710
15. Select the number missing from the given series.
3, 12, __________, 21612
A. 150
B. 200
C. 149
D. 147
Solutions
The logic here is as follows,
32 + 3 = 12;
122 + 3 = 147;
1472 + 3 = 21612;
Hence, “147” is the missing number in the given series.
16. The unit of momentum is:
A. Kgms2
B. Kgms-2
C. Kgms
D. Kgms-1
Solutions
CONCEPT:
Linear Momentum:
- The linear momentum of a body is the quantity of motion contained in the body.
- It is measured in terms of the force required to stop the body in unit time.
- It is also measured as the product of the mass of the body and its velocity i.e.,
Momentum = mass × velocity.
EXPLANATION:
- From the above, it is clear that momentum is defined as the product of the mass of the body and its velocity i.e.,
⇒ Momentum (p) = mass (m) × velocity (v)
- As we know that, the SI unit of mass is kg and the SI unit of velocity is m/s. Therefore the unit of momentum is
⇒ p = kgms-1
Therefore, its unit is kg.ms-1.
17. Select the Answer Figure that is the correct water image of the given Problem Figure.
A. D
B. C
C. B
D. A
Solutions
Here the image is flipped vertically,
Hence, figure D is the correct water image of the given image.
18. Released in 2016, which of the following is the first Malayalam movie to cross the 100 crore revenue mark?
A. Premam
B. Pulimurugan
C. Drishyam
D. Oru Vadakkan Selfie
Solutions
- Pulimurugan is the first Malayalam movie to cross the 100 crore revenue mark released in 2016.
- The story is based on a boy named Murugan who lives in Puliyoor, a small forest village that is unsafe.
- The movie is directed by Vysakh and scripted by Udayakrishna.
- The movie was released in India in Telugu and Malayalam languages.
- The star cast of the movie is Mohanlal, Kamalinee Mukherjee, Jagapati Babu, and Lal.
19. ABC$+#DEF&=?GHI!2*@
From the above sequence find the missing term.
ADG : +=2 ∷ CEI : _________
A. D@?
B. D?@
C. E@?
D. E?@
Solutions
The logic here is as follows,
Hence CEI is related to D?@.
20. Roshan’s current age is 2 years less than 1.6 times that of Usha’s. 8 years ago, Usha’s age was 1 year more than half of Roshan’s age. What is Roshan’s present age in years?
A. 30
B. 39
C. 33
D. 42
Solutions
Let Roshan’s age be x and Usha’s age be y
Roshan’s current age is 2 years less than 1.6 times that of Usha’s,
⇒ x = 1.6y – 2
⇒ 8y – 5x = 10 —-(1)
8 years ago, Usha’s age was 1 year more than half of Roshan’s age 8 years ago,
⇒y−8=x−8/2+1
⇒ 2y – x = 10 —–(2)
⇒ 8y – 4x = 40 [ mulitiply by 4 in equation (2)] ——-(3)
From (1) and (3) we get, subtract the equation (1) from equation (3)
⇒ 5x – 4x = 40 – 10
⇒ x = 30
∴ Roshan’s present age = 30 years
21. Which of the following animals has a comparatively longer intestine?
A. Dog
B. Tiger
C. Fox
D. Rabbit
Solutions
Rabbit has a comparatively longer intestine because it is a herbivorous animal.
Herbivorous animals rely on bacterial fermentation in order to convert cellulose into usable energy.
As the energy value of the plant matter they eat is low, they have to eat a lot of it, which requires a long digestive tract.
Dog, tiger and fox are carnivorous animals.
22. An object weighing 20 kg is raised through a height of 2 m. What will be the work done by the force of gravity in this process? (g = 10 m\s2)
A. 40 J
B. 100 J
C. 400 J
D. 50 J
Solutions
The correct answer is 400 J.
Work done by the force of gravity = Gravitational Potential Energy
= m x g x h.
Gravitational Potential Energy = m (mass) x g (acceleration) x h (height)
2 x 10 x 20 = 400 J.
Hence, in this process work done by the force of gravity is 400 J.
23. Consider the given statements to be true and decide which of the given conclusions can definitely be drawn from the statements.
Statements:
All sharks are fish. No fish is a snake.
Conclusions:
1. No snake is a shark.
2. No shark is a snake.
A. Only conclusion 2 follows.
B. Neither 1 nor 2 follows.
C. Only conclusion 1 follows.
D. Both the conclusions 1 and 2 follow.
Solutions
The least possible Venn diagram for the given statement is,
Conclusion 1: No snake is a shark → True
Conclusion 2: No shark is a snake → True
Hence, both the conclusions 1 and 2 follow.
24. Select the figure which does NOT belong to the group.
A. C
B. B
C. D
D. A
Solutions
Here in all the circle, the line inscribed in a circle passes through the centre, whereas in figure C it does not passes through the centre.
Hence, figure C does not belongs to the group.
25. How many triangles are present in the following figure?
A. 14
B. 12
C. 15
D. 16
Solutions
Hence, “15” triangles are there in the given figure.
26. The __________ founded the first city of Delhi and named it Indraprastha.
A. Pandavas
B. Portuguese
C. Kauravas
D. Mughals
Solutions
- The Pandavas founded the first city of Delhi and named it Indraprastha.
- The king of Pandava, Dharmaraj Yudhishthira established Indraprastha in Modern Delhi, as the capital of Pandava Kingdom.
- It is also said that King Tomar set up this Indraprastha city as the capital for their Kingdom which was later conquered by Chauhans.
- Kauravas’ capital remained in Hastinapur which is located in Meerut District of Uttar Pradesh.
27. The angle of depression of the foot of a building from the top of a tower 50 m away is 60°. How high is the tower?
A. 60 m
B. 80√3 m
C. 50√3 m
D. 55 m
Solutions
Let the height of the tower be x m.
The angle of depression of the foot of a building from the top of a tower 50 m away is 60°,
⇒ tan 60° = x/50
⇒ x = 50√3
∴ The tower is 50√3 m high.
28. DWT : GZW ∷ QPM : __________
A. TSP
B. PST
C. STP
D. TPS
Solutions
The logic here is as follows,
Hence QPM is related to TSP.
29. X’s rank was 12 from the top. If the total number of students in the class was 16, then X’s rank from the bottom for the class is:
A. 6
B. 5
C. 4
D. 7
Solutions
Total number of students in the class is 16. X’s got 12th rank that means 11 students are ahead of X.
No. of people behind X = 16 – (11 + X) = 16 – 12 = 44 students got ranks after X.
So from bottom X rank would be 5th.
30. Tapan, Ravi and Trisha shared a cake. Tapan had 1/3 of it, Trisha had 1/2 of it and Ravi had the rest. What was Ravi’s share of the cake?
A. 1/12
B. 4/7
C. 2/6
D. 1/6
Solutions
Tapan had 1/3 of it and Trisha had 1/2 of it.
∴ Ravi’s share of the cake = 1 – 1/3 – 1/2= (6 – 2 – 3) /6 = 1/6
31. The area of the base of a cone is 144π cm2 while its slant height is 13 cm. This cone is remoulded to obtain a solid sphere. The radius of this sphere will be-
A. 2∛30 cm
B. ∛180 cm
C. 6.5 cm
D. 2∛40 cm
Solutions
Let the radius of the base of the cone be r cm and the height of the cone be h cm.
The area of the base of the cone is 144π cm2,
⇒ πr2 = 144π
⇒ r = 12
The cone is remoulded to obtain a solid sphere,
⇒ √(122 + h2) = 13
⇒ 144 + h2 = 169
⇒ h2 = 25
⇒ h = 5
⇒ Volume of the cone = 1/3 × π × 122 × 5 = 240π cm3
Let the radius of the sphere be R cm.
⇒ 4/3 × π × R3 = 240π
⇒ R3 = 180
⇒ R = ∛180
∴ Radius of the sphere = ∛180 cm
32. Who is the first Indian player to score a century in his debut One day International Cricket match? The said player achieved this feat in 2016.
A. Jayant Yadav
B. Karun Nair
C. K.L. Rahul
D. Hardik Pandya
Solutions
K.L. Rahul is the first Indian player to score a century in his debut One day International Cricket match in 2016.
His full name is Kannanur Lokesh Rahul.
He also played for the teams of Royal Challengers Bangalore, Sunrisers Hyderabad, and Kings XI Punjab between 2013 to 2018 respectively.
He played his last International Test Match on 3rd January 2019 against Australia.
33. Non-metal oxides are usually:
A. Acidic
B. Basic
C. Amphoteric
D. Neutral
Solutions
Non-metal oxides are usually acidic.
It reacts with water to give a proton and the conjugate base of the oxyacid.
Non-metal oxides dissolve in water to form acid.
Eg. CO2 + H2O = H2CO3 ie. Carboxylic acid
Metal oxides are basic because they react with dilute acids to form salt and water.
34. Assuming that the numbers in each of the following figures follow a similar pattern, select the option that can replace the question mark (?) in figure C.
A. 45
B. 37
C. 35
D. 47
Solutions
The logic here is as follows,
Figure A → 6 × 5 + 3 × 3 = 39
Figure B → 7 × 5 + 4 × 4 = 51
Similarly,
Figure C → 5 × 5 + 3 × 4 = 37
Hence, “37” comes in place of ? in figure C.
35. As per Economic survey 2017-18, the percentage contribution of the Services Sector to India’s GDP will be in the range of:
A. Between 30-40%
B. Between 40-50%
C. Greater than 50%
D. Less than 30%
Solutions
As per the Economic survey 2017-18, the percentage contribution of the Services Sector to India’s GDP will be in the range of greater than 50%.
The services sector is estimated to grow at 8.3% in 2017-18 over 7.7 per cent in 2016-17.
The service sector is the largest in India. Gross Value Added at current prices for the Service sector is estimated at 92.26 lakh crore INR in 2018-19.
The service sector accounts for 54.40% of total India’s Gross Value Added of 169.61 lakh crore Indian rupees.
36. ___________ is known as India’s Spice Garden.
A. Maharashtra
B. Rajasthan
C. Karanataka
D. Kerala
Solutions
Kerela is known as India’s Spice Garden.
Concept:
- Kerala has always been famous for rich and exotic spices.
- Spices like tejpatta, pepper, vanilla, cardamom, clove, cinnamon, nutmeg, ginger and turmeric are found here.
- As spice cultivation is very popular here, people grow spices in their backyards.
- Kerala is the largest producer of spices in the world.
Explanation:
| States | Sobriquets |
| Maharashtra | City of Dreams & Financial Capital Of India |
| Rajasthan | Land of the Kings |
| Karnataka | Land of sandalwood |
| Kerala | India’s Spice Garden |
Additional Information
Saffron production:
Saffron, golden-coloured, pungent stigmas (pollen-bearing structures) of the autumn crocus (Crocus sativus).
It is used as a spice to flavour foods and as a dye to colour foods and other products.
Saffron has a strong, exotic aroma and a bitter taste and is used to colour and flavour many Mediterranean and Asian dishes.
In India Saffron is only cultivated in Jammu and Kashmir.
37. The percentage of carbon in CO2 is:
A. 44
B. 27.3
C. 14
D. 12
Solutions
The percentage of carbon in CO 2 is 27.3.
To obtain the percentage of any element in a compound, firstly we need to take the individual atomic mass of the element and divide it by the total molecular mass of both the compounds.
Mass of carbon=12
Mass of oxygen = 16 as there are 2 oxygen (16 x 2=32)
12/32+12=0.2727
0.2727 x 100=27.21%
Hence, the percentage of carbon in CO 2 is approximately 27.3.
38. Consider the argument and decide which of the given assumption is/are implicit.
Argument:
The highway authority had announced that it will be undertaking a major road repair work for three days beginning Friday between Bangalore and Tumkur.
Assumption:
1. People need to plan accordingly for their trip between Bangalore and Tumkur.
2. The authority is troubling citizens with unnecessary repair work.
A. Neither 1 nor 2 is implicit
B. Only assumption 2 is implicit
C. Both 1 and 2 are implicit
D. Only assumption 1 is implicit
Solutions
The Highway authority had announced to inform the public about the repair work facilitating them to plan accordingly. So assumption 1 is implicit.
The authority is planning the repair work for the safety of citizens and also informing them about the same so that their daily life not affected. Also, no information is given about the necessity of the repair work. So it cannot be assumed that the authority is troubling citizens with unnecessary repair work.
Hence, only assumption 1 is implicit.
39. Which of the following changes when a body performs uniform circular motion?
A. Speed
B. Mass
C. Direction
D. Kinetic energy
Solutions
CONCEPT:
- Circular Motion: Circular motion is a movement of an object along the circumference of a circle or rotation along a circular path.
- The force acts continuously at right angles to the velocity of the particle.
- Uniform circular motion: The circular motion in which the speed of the particle remains constant is called uniform circular motion. In a uniform circular motion, force supplies the centripetal acceleration.
- In a uniform circular motion, a body is experiencing a force in the inward direction.
Where m is mass of the body, a is centripetal acceleration, v is speed and r is the radius.
EXPLANATION:
- Here the direction of centripetal acceleration changes each and every moment. So the acceleration will also change.
- Similarly, the velocity keeps on changing because the direction of velocity is changing.
In a uniform circular motion, the magnitude of the velocity is always the same and, the direction always changes. So option 3 is correct.
Since the magnitude of velocity is same so kinetic energy and speed will remain the same always in a uniform circular motion.
40. Select the correct mirror image of the given figure if the mirror is placed horizontally as shown.
A. 
B. 
C. 
D. 
Solutions
Here the image is flipped vertically,
Hence, image at option 4 is the correct mirror image of the given figure
41. The average marks obtained by Raghav in 15 tests are 25. Zubeida has maintained an average of 23 so far but has taken only 10 of the tests. If each test is out of 30, how much must Zubeida score on average in the remaining 5 tests to still have a chance to match Raghav’s performance?
A. 29
B. 27
C. 30
D. 22
Solutions
Let Zubeida must score x.
⇒ 15 × 25 = 23 × 10 + 5x
⇒ x = 29
∴ Zubeida must score 29 on average in the remaining 5 tests.
42. Facing North, Aishwarya turns 45° clockwise, then 135° anticlockwise and then 180° clockwise. Which direction is she is facing now?
A. South
B. North
C. East
D. West
Solutions
The given information can be represented as follows,
Hence, Aishwarya is facing in East direction.
43. Rahi deposited Rs. 700 in a bank that promised 6% simple interest per annum. If Rahi kept the money with the bank for 5 years, she will earn an interest of:
A. Rs. 280
B. Rs. 200
C. Rs. 210
D. Rs. 240
Solutions
Principal = Rs. 700
Rate of interest = 6%
Time = 5 years
∴ Interest earned = 700 × 6 × 5/100 = Rs. 210
44. Choose the correct figure from the answer that replaces the question mark.
A. 2
B. 4
C. 3
D. 1
Solutions
In the figure, 2nd figure is the water image of the mirror image of the first image. Similarly, the 4th image will be the water image of the mirror image of the 3rd figure.
Hence, figure 2 is the correct answer.
45. At 12% simple interest per annum a sum of money becomes Rs. 295 in 
years. What was the sum invested?
A. Rs. 240
B. Rs. 260
C. Rs. 275
D. Rs. 250
Solutions
Let the sum be Rs. x.
Rate of interest = 12%
Time = 1.5 years
⇒ x × 1.5 × 12/100 = 295 – x
⇒ 1.18x = 295
⇒ x = 250
∴ The sum of money invested = Rs. 250
46. From the top of a platform, the angle of elevation of a tower was 45°. The tower was 47 m high and the horizontal distance between the platform and the tower was 40 m. What was the height of the platform?
A. 10 m
B. 5 m
C. 7 m
D. 7√3 m
Solutions
Let the height of the platform be x m.
⇒ tan45° = Perpendicular/Base = (47 – x) / 40
⇒ 1 = (47 – x) / 40
⇒ 40 = 47 – x
⇒ x = 7
∴ Height of the platform = 7 m
47. Which of the following elements replaced eka-Aluminium in Mendeleev’s Periodic Table?
A. Scandium
B. Germanium
C. Gallium
D. Titanium
Solutions
- Gallium replaced eka-Aluminium in Mendeleev’s Periodic Table.
- While developing his Periodic Table of the elements, Mendeleev found some elements missing, which later would be found and named Gallium, he named aka-Aluminum.
- Mendeleev gave the name eka-Aluminium to a compound which contains aluminium, a mixture of aluminium and an unknown element.
- Unknown element he predicted would have properties similar to those of aluminium and which have rare isotope of aluminium.
| Elements | Atomic Number |
| Scandium (Sc) | 21 |
| Germanium (Ge) | 32 |
| Gallium (Ga) | 31 |
| Titanium (Ti) | 22 |
48. A, B and C can complete a task together in 8 days. A and B would need 16 days if only the two of them worked, while A and C would take 12 days if only the two of them worked. If A worked alone, how many days would A take to compete the task?
A. 30
B. 48
C. 60
D. 45
Solutions
(A + B + C) can complete a work in = 8 days
⇒ (A + B + C)’s 1 day’s work = 1/8
(A + B) can complete a work in = 16 days
⇒ (A + B)’s 1 day’s work = 1/16
⇒ C’s 1 day’s work = 1/8 – 1/16 = 1/16
(A + C) can complete a work in = 12 days
⇒ (A + C)’s 1 day’s work = 1/12
⇒ A’s 1 day’s work = 1/12 – 1/16 = 1/48
∴ A takes 48 days to complete the work alone.
49. Choose the correct water image of the given figure:
A. A
B. D
C. B
D. C
Solutions
Here the image is flipped vertically:
Hence, figure B is the correct water image of the given figure.
50. Name the stage of mitosis during which the chromosomes of a dividing cell lies at the equatorial plate?
A. Metaphase
B. Prophase
C. Anaphase
D. Telophase
Solutions
- Metaphase is the stage of mitosis during which the chromosomes of a dividing cell lies at the equatorial plate.
- Metaphase is the second stage of cell division, between prophase and anaphase, during which the chromosomes become attached to the spindle fibres.
| Terms | Description |
| Prophase | The phase where chromosomes thicken, condense and become visible. |
| Anaphase | It occurs when the spindle separates during reproduction. |
| Telophase | It is the final stage in both meiosis and mitosis in a eukaryotic cell. |
51. If a young son works quickly for 2 hours and prepares 16 items in a day, and his old father works slowly for 8 hours and prepares 24 items a day, which of the following is true.
A. The son has more energy
B. The son has more power
C. Both have equal energy
D. Both have same power
Solutions
The correct answer is Option 2, i.e The Son has More Power.
- The son works for 2 hours and prepares 16 items in a day.
- So, in 1 hour, the son prepares = 16/2 = 8 items.
- Similarily, given that the old father prepares 24 items in 8 hours.
- So, in 1 hour, the father prepares = 24/8 = 3 items.
- This means, in 1 hour, while the father prepares only 3 items, son prepares 8 items.
- Thus, it can be concluded that the Son has more power as compared to the father.
52. Hydra reproduces by ________.
A. Multiple fission
B. Binary fission
C. Fragmentation
D. Budding
Solutions
- Hydra reproduces by budding.
- Hydra reproduces sexually and asexually both.
- When there is plenty of food available it reproduces asexually by budding.
- Budding is a form of asexual reproduction where a new, initially smaller organism grows on the body of the parent organism. The “bud” stays attached to the parent and grows until it forms an organism similar to the parent. Finally, the bud detaches itself from the parent organism, becoming an independent individual. This is the typical mode of reproduction used by Hydra.
| Fission | Description |
| Multiple fission | It occurs in many protists at the cellular level. Examples are algae and sporozoans. |
| Binary fission | It occurs in unicellular organisms like amoeba, paramecium and Leishmania. |
| Fragmentation | It occurs in multicellular organisms with simple body design. |
53. Which of the following is a Pythagorean triplet?
A. 7, 9, 12
B. 5, 12, 13
C. 2, 3, 4
D. 17, 21, 27
Solutions
- 72 + 92 = 49 + 81 = 130 ≠ 122
- 52 + 122 = 25 + 144 = 169 = 132
- 22 + 32 = 4 + 9 = 13 ≠ 42
- 172 + 212 = 289 + 441 = 730 ≠ 272
∴ 5, 12 and 13 is a Pythagorean triplet.
54. Select the term missing from the given series.Y-25, W-23, U-21, S-19, ?
A. Q-10
B. S-8
C. P-16
D. Q-17
Solutions
Here the series are arranged in reverse alphabetical order, alternatively and also showing their place value.
So, the next term would be Q and its place value in English alphabetical order is 17.Hence, “Q-17”is the next term of the given series.
55. Which of the following processes will take place the slowest for the same quantity of liquid?
A. Boiling
B. Freezing
C. Condensation
D. Evaporation
Solutions
Evaporation will take place the slowest for the same quantity of liquid.
Evaporation takes place at any temperature and at the open surface of the liquid.
Boiling occurs throughout the liquid at high temperature making molecules moving vigorously.
Hence, evaporation is slower and boiling is a faster process.
56. A computer always has a:
A. Keyboard
B. CPU
C. Graphics Card
D. Mouse
Solutions
A computer always has a CPU.
CPU stands for ‘Central Processing Unit’.
CPU is an electronic circuitry of a computer that carries out the instructions of a computer program.
It performs the basic arithmetic, logical, control and input and output operations given by the instructions.
57. Fill in the blank with the most appropriate option.
18 volts = _________ × 3 ohms.
A. 6 watts
B. 6 amperes
C. 6 milliamperes
D. 6 joules
Solutions
CONCEPT:
- Ohm’s law: At constant temperature, the potential difference across a current-carrying wire is directly proportional to the current flowing through it.
i.e. V = IR
Where V = potential difference, R = resistance and I = current.
CALCULATION:
Given V = 18 V and R = 3 Ω,
- According to ohm’s law:
⇒ V = IR
⇒ I = V/R
⇒ I = 18/3 = 6 A
58. These regional teams namely Dabang Mumbai, Kalinga Lancers, Ranchi Rays and Delhi Waveriders play for which sports league?
A. Pro Kabaddi League
B. United Basketball Alliance
C. Indian Premier League
D. Hockey India League
Solutions
Dabang Mumbai, Kalinga Lancers, Ranchi Rays and Delhi Waveriders play against each other in Hockey India League.
Hockey India League is known as the Coal India Hockey India League.
Hockey India League was founded in 2013.
As of now, there are a total of six teams namely- Dabang Mumbai, Delhi Waveriders, Kalinga Lancers, Punjab Warriors, Ranchi Rays and Uttar Pradesh Wizards.
Mumbai Magicians and Ranchi Rhinos teams were active in the year 2013 and 2014 respectively.
59. Ram’s father is thrice as old as Ram is. 4 years ago, the age of Ram’s father was 4 times his age. What is Ram’s current age?
A. 15 years
B. 13 years
C. 14 years
D. 12 years
Solutions
Let Ram’s current age be x.
⇒ Ram’s father’s current age = 3x
4 years ago, the age of Ram’s father was 4 times his age,
⇒ (3x – 4) / (x – 4) = 4
⇒ x = 12
∴ Ram’s present age = 12
60. Pipes A and C can fill an empty cistern in 16 and 24 hours respectively while Pipe B can drain the filled cistern in 12 hours. If the three pipes are turned on together when the cistern is empty, how many hours will it take for the cistern to be full?
A. 64
B. 96
C. 72
D. 48
Solutions
A can fill a cistern in = 16 hours
⇒ In 1 hour, A can fill = 1/16
C can fill a cistern in = 24 hours
⇒ In 1 hour, C can fill = 1/24
B can empty the cistern in = 12 hours
⇒ In 1 hour, B can empty = 1/12
⇒ In 1 hour (A + B + C) can fill = 1/16 + 1/24 – 1/12 = (3 + 2 – 4) /48 = 1/48
∴ It will take 48 hours to fill the tank.
61. Consider the given question and decide which of the following statement is sufficient to answer the question.
What is the value of 14$20*8#4?
Statements:
1. $ implies -, * implies +, # implies ÷
2. 14$20*8 = 25
A. Statement 2 alone is sufficient while statement 1 alone is insufficient
B. Neither statement 1 or 2 is sufficient
C. Statement 1 alone is sufficient while statement 2 alone is insufficient
D. Both statement 1 and 2 are sufficient
Solutions
Equation given: – 14 $ 20 * 8 # 4
Statement 1: $ implies -, * implies +, # implies ÷
Decoding the equation:- 14 – 20 + 8 ÷ 4 = -4
Hence, statement 1 alone is sufficient to answer the question.
Statement 2: 14$20*8 = 25, not sufficient to answer the question.
Hence, statement 1 alone is sufficient while statement 2 alone is insufficient to answer the question.
62. What is the mean of first 60 natural numbers?
A. 30.5
B. 31
C. 30
D. 31.5
Solutions
Sum of the first 60 natural numbers = 1 + 2 + 3 + …… + 60 = [60 × (60 + 1)] /2 = 1830
∴ Mean of the first 60 natural numbers = 1830/60 = 30.5
63. Which assembly constituency within Chennai city was forced to have a recent by-election because of the death of the Chief Minister Jayalalithaa?
A. Royapuram
B. RK Nagar
C. Saidapet
D. Thousand Lights
Solutions
RK Nagar assembly constituency within Chennai city was forced to have a recent by-election because of the death of the Chief Minister Jayalalithaa.
The election got cancelled after huge amounts of cash were found in Chennai that was alleged to be used to bribe voters.
Later the voting was done on December 21 for a new representative.
Jayaram Jayalalithaa was an Indian politician and film actor who served five terms as the Chief Minister of Tamil Nadu between 1991 and 2016.
She was also the general secretary of the All India Anna Dravida Munnetra Kazhagam (AIADMK) since 1989.
She died due to cardiac arrest on 5 December 2016.
64. A natural number, when divided by 3, 4, 6 and 7, leaves a remainder of 2 in each case. What is the smallest of all such numbers?
A. 213
B. 843
C. 86
D. 63
Solutions
⇒ LCM of 3, 4, 6 and 7 = 3 × 22 × 7 = 84
∴ The required number = 84 + 2 = 86
65. Fill in the missing space with the correct figure.
A. C
B. A
C. B
D. D
Solutions
Here in the image, a monkey eats bananas.
Similarly, a rat eats cheese.
Hence, figure D is the correct answer.
66. Consider the given statement to be true and decide which of the given conclusions can definitely be drawn from the statement.
Statement:
Many people living in villages relocate to cities for a better future.
Conclusions:
1. Government officers should have compulsory rural posting.
2. Increase more transport facilities between cities and villages.
A. Neither 1 nor 2 follows.
B. Only conclusion 2 follows
C. Only conclusion 1 follows
D. Both 1 and 2 follow.
Solutions
Relocation from village to cities does not impact the work of government officers. So, conclusion 1 does not follow. Increase in transport facilities between cities and villages will improve the connectivity between the two, but will not impact the relocation from village to cities. Hence conclusion 2 does not follow.
67. In a hydrogen atom, an electron moves in an orbit of radius 5.0 × 10-11 m with a speed of 2.2 × 106 m/s. What is the equivalent current?
A. 0.112 mA
B. 112 mA
C. 1.12 mA
D. 11.2 mA
Solutions
Calculation:
Given:
Radius of the orbit, r = 5 × 10-11 m; Circumference = 2πr
Speed of electron v = 2.2 × 106 m s-1
Number of revolutions in 1 second, n=v/2πr; Charge flowing in one second, q = ne
= 1.12 × 10-3 A
= 1.12 mA
68. Select the missing term based on the given related pair of words._____ :
Hand ∷ Sole : Foot
A. Finger
B. Palm
C. Wrist
D. Nail
Solutions
Here, sole is the flat part of the foot. Similarly Palm is the also the flat part of the hand.
Hence Hand is related to Palm.
69. Which Indian actor-turned-politician won the 2017 Filmfare Lifetime Achievement Award?
A. Dharmendra
B. Shatrughan Sinha
C. Vinod Khanna
D. Amitabh Bachchan
Solutions
Actor-turned-politician Shatrughan Sinha has won the 2017 Filmfare Lifetime Achievement Award.
His Constituency is Patna Sahib, Bihar.
He has been a member of Lok Sabha and Rajya Sabha twice.
He was also the Union Cabinet Minister of Health and Family Welfare and Shipping during the Atal Bihari Vajpayee government.
70. The HCF of 56, 84 and 98 is:
A. 7
B. 16
C. 14
D. 9
Solutions
⇒ 56 = 8 × 7 = 23 × 7
⇒ 84 = 4 × 3 × 7 = 22 × 3 × 7
⇒ 98 = 2 × 49 = 2 × 72
∴ H.C.F of 56, 84 and 98 = 2 × 7 = 14
71. As of 2018, who is the Chairman of the University Grants Commission (UGC)?
A. Anil Sahasrabudhe
B. D.P. Singh
C. Najma Heptulla
D. V.K. Saraswat
Solutions
As of 2018, D.P. Singh is the Chairman of the University Grants Commission (UGC). His full name is Dhirendra Pal Singh.
He was the former director of the National Assessment and Accreditation Council (NAAC).
He has been a member of Academic Councils of several Universities.
He was also the Vice-Chancellor of BHU, Varanasi and Devi Ahilya University, Indore.
72. Which of the following physical quantity measures the rate of work done?
A. Force
B. Energy
C. Power
D. Momentum
Solutions
CONCEPT:
- Power (P): The rate of work done is called power.
- Work done is measured as the force on a body times the distance through which that force is applied.
Work done (W) = Force (F) x Distance (s).
Power (P) = work done (W)/ Time taken.
Energy (E) = power (P) x time (t).
Momentum (p) = mass (m) x velocity (v).
EXPLANATION:
The force is an interaction that changes the state of the rest of the state of motion of a body.
The capacity of doing work is called energy.
The rate of work done is power. So option 1 is correct.
The product of mass and velocity is called momentum.
73. The square root of which of the following numbers is irrational?
A. 6560
B. 3969
C. 1764
D. 5625
Solutions
⇒ √6560 = √(16 × 410) = 4√410
⇒ √3969 = 63
⇒ √1764 = 42
⇒ √5625 = 75
∴ The square root of 6560 is irrational.
74. Direction: The given pie chart shows the distribution of minerals in the human body. Study the chart carefully and answer the following question.
Based on the given data, what is the ratio of the metal with the highest percentage of distribution to that with the lowest percentage of distribution in the human body?
A. 5 : 1
B. 7 : 2
C. 3 : 1
D. 6 : 1
Solutions
Metal with the highest percentage, Calcium = 40%
Metal with the lowest percentage, Sodium = 8%
∴ Required ratio = 40 ∶ 8 = 5 ∶ 1
75. Which celebrity is the author of the book ‘An Unsuitable Boy’?
A. Khuswant Singh
B. Shah Rukh Khan
C. Shatrughan Sinha
D. Karan Johar
Solutions
Karan Johar is the author of the book ‘An Unsuitable Boy’.
The book highlights the different events of his life starting from his childhood.
The book was published in the English language on 9th January 2017.
