Study Gk

The Product of two numbers is 2160 and their hcf is 12. Number of such possible pairs is 

Options

1

2

3

4

Solution 

Let one number is 12x and 12y 

Product  = 12x ×12y

2160=12x ×12y

Xy= 15

Then { 3,5}

         { 5,3}

           So two pair is answered...