Problems On H.C.F And L.C.M – Aptitude MCQ Questions – 07 Posted on July 10, 2020July 10, 2020 by admin Question 1The HCF and LCM of two 2-digit number are 16 and 480 respectively. The numbers are ? A. 40, 48 B. 60, 72 C. 64, 80 D. 80, 96 Question 2The number nearest to 10000, which is exactly divisible by each of 3, 4, 5, 6, 7 and 8 is = ? A. 9240 B. 10080 C. 9996 D. 10000 Question 3The least number which when divided by 4, 6, 8 and 9 leave zero remainder in each case and when divided by 13 leaves a remainder of 7 is = ? A. 144 B. 72 C. 36 D. 85 Question 4The LCM and ratio of four numbers are 630 and 2 : 3 : 5 : 7 respectively. The difference between the greatest and least numbers is = ? A. 6 B. 14 C. 15 D. 21 Question 5The HCF and LCM of two numbers are 12 and 336 respectively. If one of the numbers is 84, the other is = ? A. 36 B. 48 C. 72 D. 96 Question 6The ratio of two numbers is 13 : 15 and their LCM is 39780 . The numbers are = ? A. 884, 1020 B. 884, 1040 C. 670, 1340 D. 2652, 3060 Question 7The sum of two numbers is 528 and their HCF is 33. The number of pairs of numbers satisfying the above conditions is = ? A. 4 B. 6 C. 8 D. 12 Question 8A number which when divided by 10 leaves a remainder of 9, when divided by 9 leaves a remainder of 8, and when divided by 8 leaves a remainder of 7, is = ? A. 1539 B. 539 C. 359 D. 1359 Question 9The product of two numbers is 2008 and their HCF is 13. The number of such pairs is = ? A. 1 B. 2 C. 3 D. 4 Question 10HCF and LCM of two numbers are 7 and 140 respectively. If the numbers are between 20 and 45, the sum of the numbers is = ? A. 70 B. 77 C. 63 D. 56