Problems On H.C.F And L.C.M – Aptitude MCQ Questions – 07 Posted on July 10, 2020July 10, 2020 by admin Question 1The 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 2HCF 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 Question 3The 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 4A 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 5The 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 6The 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 7The 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 8The 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 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 10The 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