LCM And HCF Tes...

The smallest positive number which leaves a remainder of 1 when it is divided by 3, 4, 5 or 7 is

What is the least number by which 825 must be multiplied in order to produce a multiple of 715?

HCF of 4 × 27 × 3125; 8 × 9 × 25 × 7 and 16 × 81 × 5 × 11 × 49 is

What is the smallest sum of money which contains an integral number of $2.50, $20, $1.20 and $7.50 each?

Find the least square number which is exactly divisible by 4, 5, 6, 15 and 18.

From 3 drums of milk, 27 L, 33 L and 45 L are to be drawn. To do it in the minimum number of repetitions, the capacity of the measuring can should be

Two cyclists are preparing for the Olympics. The first cyclist takes 10 minutes to cover one full round, whereas the second cyclist takes 9 minutes. Find the time when they will both be together at the starting point, if they both start simultaneously.

A heap of coconuts is divided into groups of 2, 3 or 5 and each time, no coconut is left over. Find the least number of coconuts in the heap.

An electric wire is sold only in multiples of 1 m and a customer requires several lengths of wire, each 85 cm long. To avoid any wastage and to minimise labour, he should purchase a minimum length of