| 53912 | The H.C.F | Medium | |
| 54094 | The H.C.F of two numbers is 23 and the other two factors… | Medium | |
| 54181 | The H.C.F | Medium | |
| 54299 | If the product of two numbers is 84942 and their H.C.F | Medium | |
| 54449 | If n is a positive integer and the greatest common divisor of… | Medium | |
| 54686 | What is the HCF of 2/3, 4/9 and 6/5 | Medium | |
| 54916 | If y = 30p, and p is prime, what is the greatest… | Medium | |
| 55468 | The HCF and LCM of two numbers m and n are respectively… | Medium | |
| 55509 | The H.C.F | Medium | |
| 55748 | The H.C.F of two numbers is 15 and their L.C.M is 3300 | Medium | |
| 55855 | What is the sum of the greatest common factor and the lowest… | Medium | |
| 55935 | If the LCM of 9, 12, 5, and x is 180, which… | Medium | |
| 56028 | What is the least common multiple of 8,12,32,14 | Medium | |
| 56625 | About the number of pairs which have 20 as their HCF and… | Medium | |
| 56921 | Two numbers N and 12 have LCM = 42 and GCF =… | Medium | |
| 57201 | The H.C.F | Medium | |
| 57244 | The greatest common factor of two numbers is 6 | Medium | |
| 57254 | The product of two numbers is 4107 | Medium | |
| 57861 | About the number of pairs which have 16 as their HCF and… | Medium | |
| 58097 | The H.C.F | Medium | |
| 58299 | The greatest common factor of two numbers is 5 | Medium | |
| 58369 | Sum of two numbers prime to each other is 16 and their… | Medium | |
| 58512 | The HCF and LCM of two numbers m and n are respectively… | Medium | |
| 58618 | The HCF of two numbers is 42 and the other two factors… | Medium | |
| 58926 | The H.C.F | Medium | |
| 58955 | The reciprocal of the hcf and lcm of two are 1/13 and… | Medium | |
| 59001 | HCF and LCM two numbers are 20 and 396 respectively | Medium | |
| 59320 | If r = 2^4 * 5^2 * 7 and s = 2^3… | Medium | |
| 59346 | If y = 35p, and p is prime, what is the greatest… | Medium | |
| 59357 | The greatest common factor of two numbers is 4 | Medium | |
| 59653 | If x and y are positive integers, which of the following CANNOT… | Medium | |
| 59721 | If the L.C.M of two numbers is 560 and their product is… | Medium | |
| 59745 | Two numbers N and 12 have LCM = 48 and GCF =… | Medium | |
| 60524 | The H.C.F | Medium | |
| 60994 | Calculate the HCF of 69, 561, 963 | Medium | |
| 61306 | What is the least common multiple of 15, 18, and 34 | Medium | |
| 61576 | Find the L.C.M of 40,60,800 | Medium | |
| 62319 | About the number of pairs which have 12 as their HCF and… | Medium | |
| 62562 | If the product of two positive integers is 120, which of the… | Medium | |
| 62676 | The LCM of two numbers is 2310 and HCF is 55 | Medium | |
| 62708 | Two numbers N and 10 have LCM = 36 and GCF =… | Medium | |
| 63287 | The greatest common factor of 16 and the positive integer n is… | Medium | |
| 63356 | The L.C.M of two numbers is 2310 and their H.C.F is 30 | Medium | |
| 64203 | The H.C.F | Medium | |
| 64230 | The H.C.F | Medium | |
| 64997 | 'a' and 'b' are positive integers such that their LCM is 20… | Medium | |
| 65129 | The product of two numbers is 2028 and their H.C.F | Medium | |
| 65388 | If a and b are positive integers, and a=20b-15, the greatest common… | Medium | |
| 65445 | Which of the following CAN be the least common multiple of two… | Medium | |
| 65810 | HCF and LCM two numbers are 14 and 396 respectively | Medium | |