Question

The product of two numbers is 20 and 28 and their hcf is 13 the number of such pair is

Answer 1

HEY MATE YOUR ANSWER,

Let a*b = 2028

2028 = 13*13*3*2*2

a b

13 13*3*2*2

13*3 13*2*2

Answer is 2.

HOPE IT HELPS YOU........✌✌