| 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 | |
| 87725 | If x is a sum of all even integers on the interval… | Medium | |
| 87840 | The HCF and LCM of two numbers m and n are respectively… | Medium | |
| 87935 | Two numbers N and 14 have LCM = 56 and GCF =… | Medium | |
| 88258 | Calculate the HCF of 64, 318, 250 | Medium | |
| 88540 | If the L.C.M of two numbers is 600 and their product is… | Medium | |
| 88766 | The greatest common factor of 16 and the positive integer n is… | Medium | |
| 89185 | the reciprocal of the hcf and lcm of two are 1/17 and… | Medium | |
| 89821 | The H.C.F | Medium | |
| 90062 | The L.C.M of two numbers is 2310 and their H.C.F is 30 | Medium | |
| 90161 | The H.C.F | Medium | |
| 90240 | If a*b denotes the greatest common divisor of a and b, then… | Medium | |
| 90286 | The H.C.F of two numbers is 12 and their L.C.M is 6600 | Medium | |
| 90516 | If x is a sum of all even integers on the interval… | Medium | |
| 90840 | What is the least common multiple of 15, 22 and 24 | Medium | |
| 91321 | If a and b are positive integers, and a=5b+20, the greatest common… | Medium | |
| 91357 | The H.C.F | Medium | |
| 91552 | If x and y are positive integers, Choose which of the following… | Medium | |
| 91869 | If x is a sum of all even integers on the interval… | Medium | |
| 92632 | What is the sum of the greatest common factor and the lowest… | Medium | |
| 92770 | Find the L.C.M of 72,108,2100 | Medium | |
| 93582 | JAK, KBL, LCM, MDN, _____ | Medium | |
| 94032 | Find the L.C.M of 12, 8, 24 and 16 | Medium | |
| 94190 | Find the L.C.M of 42,88,220 | Medium | |
| 94492 | The reciprocal of the hcf and lcm of two are 1/15 and… | Medium | |
| 95261 | The reciprocal of the hcf and lcm of two are 1/14 and… | Medium | |
| 95285 | Calculate the HCF of 16, 108, 220 | Medium | |
| 96120 | Which of the following CAN be the least common multiple of two… | Medium | |
| 96291 | Product of two co-prime numbers is 117 | Medium | |
| 97029 | What is the HCF of 2/3, 4/15 and 6/5 | Medium | |