| 30674 | If the least common multiple of two prime numbers x and y… | Medium | |
| 31422 | The H.C.F of two numbers is 13 and their L.C.M is 2200 | Medium | |
| 31682 | If y = 30p, and p is prime, what is the greatest… | Medium | |
| 32405 | a' and 'b' are positive integers such that their LCM is 20… | Medium | |
| 32588 | The HCF of two numbers is 42 and the other two factors… | Medium | |
| 32858 | The H.C.F of two numbers is 11 and their L.C.M is 7700 | Medium | |
| 33484 | The H.C.F of two numbers is 23 and the other two factors… | Medium | |
| 33650 | If n is a positive integer and the greatest common divisor of… | Medium | |
| 33771 | Two numbers N and 16 have LCM = 52 and GCF =… | Medium | |
| 33810 | The H.C.F | Medium | |
| 34484 | The H.C.F | Medium | |
| 34624 | which of the following could be the greatest common factor of positive… | Medium | |
| 34649 | If the L.C.M of two numbers is 660 and their product is… | Medium | |
| 34666 | Calculate the L.C.M of 2/5, 4/ 7, 3/7, 6/13 is | Medium | |
| 34707 | If the least common multiple of two prime numbers x and y… | Medium | |
| 35642 | The HCF and LCM of two numbers m and n are respectively… | Medium | |
| 35669 | The greatest common factor of 16 and the positive integer n is… | Medium | |
| 36222 | The H.C.F | Medium | |
| 36311 | HCF and LCM two numbers are 12 and 396 respectively | Medium | |
| 36346 | The H.C.F of two numbers is 19 and their L.C.M is 4263 | Medium | |
| 36561 | Two numbers N and 12 have LCM = 54 and GCF =… | Medium | |
| 36709 | Calculate the L.C.M of 7/10, 8/ 9, 3/8, 5/12 is | Medium | |
| 36722 | The H.C.F | Medium | |
| 36829 | Two numbers N and 24 have LCM = 48 and GCF =… | Medium | |
| 36901 | Calculate the L.C.M of 5/6, 4/ 7, 9/10, 8/9 is | Medium | |
| 36935 | What is the sum of the greatest common factor and the lowest… | Medium | |
| 37049 | Calculate the L.C.M of 1/5, 6/ 7, 5/6, 3/5 is | Medium | |
| 38246 | The H.C.F of two numbers is 23 and the other two factors… | Medium | |
| 38655 | If the product of two positive integers is 40, which of the… | Medium | |
| 38717 | The LCM of three numbers is four times their GCF | Medium | |
| 39294 | The sum of two numbers is 528 and their H.C.F is 33.The… | Medium | |
| 39480 | The H.C.F | Medium | |
| 39745 | The greatest common factor of 16 and the positive integer n is… | Medium | |
| 39906 | The HCF of two numbers is 40 and the other two factors… | Medium | |
| 40334 | The H.C.F of two numbers is 11 and their L.C.M is 7700 | Medium | |
| 40390 | Find the L.C.M of 22, 25, 44 and 20 | Medium | |
| 40469 | What is the least common multiple of 6, 18, and 24 | Medium | |
| 40487 | If a*b denotes the greatest common divisor of a and b, then… | Medium | |
| 40618 | The H.C.F | Medium | |
| 40799 | Two numbers have a H.C.F of 20 and a product of two… | Medium | |
| 41134 | The greatest common factor of 16 and the positive integer n is… | Medium | |
| 41145 | The greatest common factor of positive integers m and n is 15 | Medium | |
| 41372 | The H.C.F | Medium | |
| 41588 | HCF and LCM two numbers are 16 and 396 respectively | Medium | |
| 41854 | The greatest common factor of 16 and the positive integer n is… | Medium | |
| 42162 | The product of two numbers is 2028 and their H.C.F is 13 | Medium | |
| 42628 | The H.C.F of two numbers is 23 and the other two factors… | Medium | |
| 42710 | What is the HCF of 2/3, 5/9 and 6/5 | Medium | |
| 42719 | The H.C.F | Medium | |
| 43101 | If the L.C.M of two numbers is 750 and their product is… | Medium | |