hcf and lcm problems - Interview Questions

hcf and lcm problems

What is the smallest number that leaves a remainder of 2 when divided by 3, 4, 5, and 6 ?

Answer : C. 62

There are three numbers, these are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. What will be the sum of three numbers ?

Answer : B. 85

Find the greatest number which on dividing 1661 and 2045, leaves a remainder of 10 and 13 respectively ?

Answer : B . 127

If LCM of two number is 693, HCF of two numbers is 11 and one number is 99, then find other ?

Answer : C. 77

The LCM of three different numbers is 1024. Which one of the following can never be there HCF ?

Answer : C. 124

If the sum of two numbers is 55 and the H.C.F. and L.C.M. of these numbers are 5 and 120 respectively, then the sum of the reciprocals of the numbers is equal to ?

Answer : A. 11/120

Least of number which when divided by 35,45,55 and leaves remainder 18,28,38 is ?

Answer : 3448