LCM and HCF Test 4 – SSC Welcome to your LCM and HCF Test 4 - SSC Question No.1 If the product of two numbers is 2496 and HCF is 8,then the ratio of HCF and LCM is A. 1:32 B. 39:1 C. 1:39 D. 4:63 None Question No.2 The greatest possible length which can be used to measure exactly the lengths 1m 92cm,3m 84cm ,23m 4cm A. 23 B. 32 C. 36 D. 34 None Question No.3 HCF of 4/3, 8/6, 36/63 and 20/42 A. 4/126 B. 4/8 C. 4/36 D. 4/42 None Question No.4 Find the LCM of 3/8, 9/32, 33/48, 18/72 A. 3/8 B. 8/33 C. 198/8 D. 8/3 None Question No.5 The HCF of 2511 and 3402 is A. 31 B. 42 C. 76 D. 81 None Question No.6 A gardener had a number of shrubs to plant in rows. At first he tried to plant 8,then 12 and then 16 in a row but he had always 3 shrubs left with him. On trying 7 he had none left. Find the total number of shrubs. A. 154 B. 147 C. 137 D. 150 None Question No.7 If m and n are two whole numbers and if m^n= 49. Find n^m, given that n ≠ 1 A. 118 B. 94 C. 561 D. 128 None Question No.8 What will be the least number which when doubled will be exactly divisible by 12,18,21 and 30? A. 630 B. 360 C. 603 D. 306 None Question No.9 HCF and LCM of two numbers are 11 and 385 .If one number lies between 75 and 125 then that number is A. 123 B. 73 C. 77 D. 154 None Question No.10 If the L.C.M of x and y is z, their H.C.F is A. xy/z B. xyz C. (x + y)/z D. z/xy None Time's up