| 72582 | The product of two numbers is 2028 and their H.C.F is 13 | Medium | |
| 72640 | Sum of two numbers prime to each other is 15 and their… | Medium | |
| 73372 | Two numbers have a H.C.F of 14 and a product of two… | Medium | |
| 73381 | The HCF of two numbers is 52 and the other two factors… | Medium | |
| 73622 | which of the following could be the greatest common factor of positive… | Medium | |
| 73624 | The H.C.F | Medium | |
| 73802 | If the product of two numbers is 62216 and their H.C.F | Medium | |
| 74237 | HCF of two numbers is 15 and their LCM is 180 | Medium | |
| 74323 | What is the least common multiple of 12,27 and 40 | Medium | |
| 74582 | The LCM of two numbers is 2310 and HCF is 61 | Medium | |
| 74978 | If the sum of two numbers is 55 and the H.C.F | Medium | |
| 75298 | The H.C.F | Medium | |
| 75304 | The H.C.F | Medium | |
| 75441 | If a and b are positive integers, and a=3b+12, the greatest common… | Medium | |
| 75520 | The H.C.F | Medium | |
| 76092 | The product of two numbers is 4107 | Medium | |
| 76891 | Find the L.C.M of 20,50,100 | Medium | |
| 77848 | What is the sum of the greatest common factor and the lowest… | Medium | |
| 78250 | The H.C.F | Medium | |
| 78382 | If a*b denotes the greatest common divisor of a and b, then… | Medium | |
| 78498 | The H.C.F of two numbers is 23 and the other two factors… | Medium | |
| 78719 | The LCM and HCF of two numbers are 1000 and 100 respectively | Medium | |
| 78942 | Find the L.C.M of 15, 18, 28 and 30 | Medium | |
| 78947 | The H.C.F | Medium | |
| 79125 | Two numbers have a H.C.F of 11 and a product of two… | Medium | |
| 79328 | The greatest common factor of positive integers m and n is 10 | Medium | |
| 79733 | HCF and LCM two numbers are 12 and 396 respectively | Medium | |
| 80026 | The H.C.F | Medium | |
| 80201 | which of the following could be the greatest common factor of positive… | Medium | |
| 80318 | The H.C.F | Medium | |
| 80579 | The LCM of two numbers is 2310 and HCF is 26 | Medium | |
| 80621 | Sum of two numbers prime to each other is 20 and their… | Medium | |
| 81322 | the reciprocal of the hcf and lcm of two are 1/12 and… | Medium | |
| 81343 | If the LCM of 7, 10, 3, and x is 210, which… | Medium | |
| 81669 | If the product of two numbers is 45276 and their H.C.F | Medium | |
| 81695 | Two numbers have a H.C.F of 9 and a product of two… | Medium | |
| 82449 | If y = 30p, and p is prime, what is the greatest… | Medium | |
| 82996 | The L.C.M of two numbers is 495 and their H.C.F is 5 | Medium | |
| 83766 | The greatest common factor of two numbers is 5 | Medium | |
| 84287 | If x is a sum of all even integers on the interval… | Medium | |
| 84804 | What is the sum of the greatest common factor and the lowest… | Medium | |
| 85075 | If the LCM and HCF of 8 and another number is 24… | Medium | |
| 85850 | Two numbers N and 16 have LCM = 48 and GCF =… | Medium | |
| 85937 | The LCM and HCF of two numbers are 60 and 2 respectively | Medium | |
| 86679 | What is the sum of the greatest common factor and the lowest… | Medium | |
| 87103 | Which of the following CAN be the least common multiple of two… | Medium | |
| 87253 | Two numbers have a H.C.F of 12 and a product of two… | Medium | |
| 87296 | The H.C.F | Medium | |
| 87468 | Two numbers N and 16 have LCM = 48 and GCF =… | Medium | |
| 87620 | The L.C.M of two numbers is 2310 and their H.C.F is 30 | Medium | |