LCM and HCF Test 6 – SSC

Welcome to your LCM and HCF Test 6 - SSC

Question No.1

What is the HCF of 3/5, 7/10, 2/15, 6/21?

A. 5/123

B. 6/121

C. 2/105

D. 1/210

None

Question No.2

The HCF and LCM of two numbers is 84 and 840 respectively. If the first number is 168, find the second one.

A. 210

B. 420

C. 225

D. 326

None

Question No.3

Sum of 2 numbers is 128 and their HCF is 8. How many numbers of pairs of numbers will satisfy this condition?

A. 2

B. 5

C. 3

D. 4

None

Question No.4

Find the least number exactly divisible by 10, 15, 18 and 30.

A. 85

B. 90

C. 88

D. 93

None

Question No.5

Find the least number which when divided by15, 21, 24 and 32 leaves the same remainder 2 in each case.

A. 3362

B. 3360

C. 3456

D. 3266

None

Question No.6

Find the least number which when divided by 10, 15, 18 and 30 leaves remainders 6, 11, 14 and 26 respectively.

A. 72

B. 86

C. 85

D. 90

None

Question No.7

Find the smallest number of 4 digits which is exactly divisible by 12, 15, 21 and 30.

A. 1580

B. 1420

C. 1260

D. 1056

None

Question No.8

Find the least number which when divided by 2, 5, 9 and 12 leaves a remainder 3 but leaves no remainder when same number is divided by 11.

A. 281

B. 357

C. 360

D. 363

None

Question No.9

HCF and LCM of two numbers is 5 and 275 respectively and the sum of these two numbers is 80. Find the sum of the reciprocals of these numbers.

A. 15/242

B. 16/275

C. 32/221

D. 20/268

None

Question No.10

The HCF and LCM of two numbers is 70 and 1050 respectively. If the first number is 210, find the second one.

A. 450

B. 350

C. 510

D. 260

None

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