Book Maths Puzzle

What is the least multiple of 7 which leaves a remainder of 4 when divided by 6, 9, 15 and 18 ?

Read Solution (Total 0)

Book Other Question

Three numbers which are co-prime to each other are such that the product of the first two is 119 and that of the last two is 391. What is the sum of the three numbers? What is the greatest number which on dividing 1223 and 2351 leaves remainders 90 and 85 respectively?