| 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 | |
| 65999 | The HCF of two numbers is 50 and the other two factors… | Medium | |
| 66492 | What is the least common multiple of 5,40,36,50 | Medium | |
| 66522 | Calculate the HCF of 30, 108, 660 | Medium | |
| 66843 | The H.C.F | Medium | |
| 67070 | If the product of two numbers is 51216 and their H.C.F | Medium | |
| 67075 | The LCM and HCF of two numbers are 10000 and 1000 respectively | Medium | |
| 67640 | Sum of two numbers prime to each other is 14 and their… | Medium | |
| 67647 | The LCM and HCF of two numbers are 100 and 10 respectively | Medium | |
| 68605 | Find the L.C.M of 12, 25, 24 and 20 | Medium | |
| 69273 | The H.C.F | Medium | |
| 69319 | If a*b denotes the greatest common divisor of a and b, then… | Medium | |
| 69535 | What is the HCF of 2/3, 4/10 and 6/5 | Medium | |
| 69979 | The H.C.F | Medium | |
| 70506 | About the number of pairs which have 16 as their HCF and… | Medium | |
| 70969 | Find the L.C.M of 32,84,126 | Medium | |
| 71079 | The greatest common factor of positive integers m and n is 11 | Medium | |
| 71399 | The H.C.F | Medium | |
| 71867 | The LCM of two numbers is 2310 and HCF is 83 | Medium | |
| 71903 | The H.C.F | Medium | |
| 72355 | H.C.F of 3240, 3600 and a third number is 36 and their… | Medium | |
| 72572 | The H.C.F | Medium | |