CoCubes HCF and LCM Question and Answers Quiz-1

The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is:

The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is:

Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is:

Product of two co-prime numbers is 117. Their L.C.M should be

The sum of two numbers is 528 and their H.C.F is 33. The number of pairs of numbers satisfying the above condition is

A rectangular courtyard 3.78 meters long 5.25 meters wide is to be paved exactly with square tiles, all of the same size. what is the largest size of the tile which could be used for the purpose?

The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is:

The H.C.F and L.C.M of two numbers are 11 and 385 respectively. If one number lies between 75 and 125 , then that number is

The smallest number which when diminished by 7, is divisible by 12, 16, 18, 21 and 28 is

The G.C.D of 1.08, 0.36 and 0.9 is