Problems On H.C.F And L.C.M – Aptitude MCQ Questions – 05 Posted on July 10, 2020July 10, 2020 by admin Question 1The H.C.F of 24 × 32 × 53 × 7, 23 × 33 × 52 × 72 and 3 × 5 × 7 × 11 is = ? A. 105 B. 1155 C. 2310 D. 27720 Question 2Two numbers are in the ratio 3 : 4, if their H.C.F. is 4, then their L.C.M. = ? A. 48 B. 42 C. 36 D. 24 Question 3Which of the following is a pair of co-primes ? A. (16, 12) B. (18, 25) C. (21, 35) D. (23, 92) Question 4A milkman has 75 litres milk in one cane and 45 litres in another. The maximum capacity of container which can measure milk of either container exact number ? A. 1 litre B. 5 litres C. 15 litres D. 25 litres Question 5L.C.M. of two numbers is 2079 and their H.C.F. is 27. If one of the number is 189, the other number is = ? A. 297 B. 584 C. 189 D. 216 Question 6The greatest number which when divides 989 and 1327 leave remainder 5 and 7 respectively = ? A. 8 B. 16 C. 24 D. 32 Question 7The H.C.F of 4 × 27 × 3125, 8 × 9 × 25 × 7 and 16 × 81 × 5 × 11 × 49 is = ? A. 180 B. 360 C. 540 D. 1260 Question 8Even numbers are formed by talking at least two at a time from the numbers 0, 4, 8, 9. Their H.C.F. is = ? A. 2 B. 4 C. 10 D. None fo these Question 9Find the largest number of four digits such that on dividing by 15, 18, 21 and 24 the remainders are 11, 14, 17 and 20 respectively. A. 6557 B. 7556 C. 5675 D. 7664 Question 10The L.C.M. of 22, 54, 108, 135 and 198 is = ? A. 330 B. 1980 C. 5940 D. 11880