Question

Find the greatest 5 digit number which is exactly divisible by 20 , 24 , 35 , 45 .​

Answer 1

Answer:

First of all we will find the L.C.M of 20, 24, 35 45.

So, L.C.M= 2×2×5×3×2×7×3 = 1520.

Greatest 5 digit number= 99999.

We will divide 99999 by 1520 and find the remainder.

99999÷ 1520=

Q= 65

R= 1199.

A.T.Q we need a greatest 5 digit no. exactly divisible by 1520.

Therefore, the required number is 99999-1199= 98800