| 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 | |
| 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 | |