| 18917 | The product of two numbers is 2028 and their H.C.F | Medium | |
| 19460 | The L.C.M of two numbers is 45 times their H.C.F if one… | Medium | |
| 20067 | H.C.F | Medium | |
| 20087 | LCM of 2/7,3/14 and 5/3is | Medium | |
| 20783 | Sum of two numbers is 63 | Medium | |
| 21336 | Calculate the L.C.M of 4/9, 5/ 7, 9/13, 7/15 is | Medium | |
| 21358 | The product of two numbers is 4107 | Medium | |
| 21934 | Find the LCM of 23,46,827 | Medium | |
| 22017 | If x and y are positive integers, and 1 is the greatest… | Medium | |
| 22168 | If M is the least common multiple of 90,196, and 300, which… | Medium | |
| 22171 | If (x+2) is the HCF of x2 + ax + b and… | Medium | |
| 22546 | If Q is the least common multiple of 90,196, and 300, which… | Medium | |
| 22826 | About the number of pairs which have 16 as their HCF and… | Medium | |
| 23020 | The LCM of two numbers is 2310 and HCF is 30 | Medium | |
| 23055 | The sum of two numbers is 528 and their H.C.F is 33 | Medium | |
| 23259 | If a and b are positive even integers, and the least common… | Medium | |
| 23572 | The LCM and HCF of two numbers are 100000 and 10000 respectively | Medium | |
| 23827 | If r = 2^3 * 5^2 * 7 and s = 2^3… | Medium | |
| 23830 | The H.C.F | Medium | |
| 23880 | H.C.F of 4 * 27 * 3125, 8 * 9 * 25… | Medium | |
| 24003 | H.C.F of 136, 144 and a third number is 8 and their… | Medium | |
| 24972 | If LCM of two number is 693, HCF of two numbers is… | Medium | |
| 25486 | The greatest common factor of two positive integers is B | Medium | |
| 25509 | If p#q denotes the least common multiple of p and q, then… | Medium | |
| 25597 | 'a' and 'b' are positive integers such that their LCM is 20… | Medium | |
| 26010 | The greatest common factor of two positive integers is L | Medium | |
| 26245 | If X is the least common multiple of 90,196, and 300, which… | Medium | |
| 26363 | The greatest common factor of two positive integers is F | Medium | |
| 27326 | What is the least common multiple of 152 and 190 | Medium | |
| 27660 | Find the L.C.M of 2/15, 3/10, 6/5 | Medium | |
| 27819 | Which of the following CANNOT be the least common multiple of two… | Medium | |
| 27835 | X is the least common multiple of 96,196,300, which number below is… | Medium | |
| 28257 | f the LCM of two integers a, b (where b> a and… | Medium | |
| 28524 | The L.C.M of two numbers is 2310 and their H.C.F is 30 | Medium | |
| 28587 | If A=x^3 y^2 and B=xy^3, then find the HCF of A, B | Medium | |
| 29504 | The HCF and LCM of two numbers m and n are respectively… | Medium | |
| 29698 | The H.C.F and L.C.M of two numbers are 11 and 385 respectively | Medium | |
| 29918 | The product of two numbers is 4107 | Medium | |
| 30348 | If x and y are positive integers, which of the following CANNOT… | Medium | |
| 30716 | Find the L.C.M of 2^3 * 3^2* 5 *7^3*11^3, 2^4 * 3^2*… | Medium | |
| 31070 | The H.C.F of two numbers is 36 and their L.C.M is 1600 | Medium | |
| 31195 | HCF of two numbers is 15 and their LCM is 180 | Medium | |
| 31722 | The greatest common factor of two positive integers is P | Medium | |
| 31810 | The greatest common factor of two numbers is 5 | Medium | |
| 31999 | If a*b denotes the greatest common divisor of a and b, then… | Medium | |
| 33282 | What is the least common multiple of 12, 18, and 24 | Medium | |
| 33387 | If the LCM of A and B is 72 and their HCF… | Medium | |
| 33475 | The least common multiple of positive integer d and 3-digit integer n… | Medium | |
| 33495 | The Least Common multiple of 2^6−1 and 2^9−1 is | Medium | |
| 34242 | The greatest common factor of positive integers m and n is 12 | Medium | |