Problems On H.C.F And L.C.M – Aptitude MCQ Questions – 10 Posted on July 10, 2020July 10, 2020 by admin Question 1Two numbers are in the ratio 3:4. Their LCM is 84. The greater number is ? A. 21 B. 24 C. 28 D. 84 Question 2The greatest number, which when subtracted from 5834, gives a number exactly divisible by each of 20, 28, 32 and 35 is ? A. 1120 B. 4714 C. 5200 D. 5600 Question 3The product of two numbers is 396 × 576 and their LCM is 6336. Find their HCF = ? A. 36 B. 34 C. 63 D. 43 Question 4The capacity of two pots is 120 litres and 56 litres respectively. Find the capacity of a container which can exactly measure the contents of the two pots = ? A. 7500 cc B. 7850 cc C. 8000 cc D. 9500 cc Question 5A daily wage labourer was engaged for a certain number of days for Rs. 5750, but being absent on some of those days he was paid only Rs. 5000. What was his maximum possible daily wage ? A. Rs. 125 B. Rs. 250 C. Rs. 375 D. Rs. 500 Question 6The HCF and LCM of two numbers are 12 and 924 respectively. Then the number of such pair is = ? A. 0 B. 1 C. 2 D. 3 Question 7The greatest possible length which can be used to measure exactly the lengths 7m, 3m 85cm, 12m 95cm is = ? A. 15cm B. 25cm C. 35cm D. 42cm Question 8The LCM of two numbers is 520 and their HCF is 4. If one of the numbers is 52, then the other number is = ? A. 40 B. 42 C. 50 D. 52 Question 921 mango trees, 42 apple trees and 56 orange trees have to be planted in rows such that each row contains the same numbers of trees of one variety only. Minimum number of row in which the trees may be planted is = ? A. 3 B. 15 C. 17 D. 20 Question 10The product of two numbers is 2028 and their HCF is 13. The number of such of pair is = ? A. 1 B. 2 C. 3 D. 4