What is the duplicate ratio of 15 : 12?

Correct option is C

Given:

Ratio = 15 : 12

Concept Used:

The duplicate ratio of a ratio a : b is a² : b².

Solution:

For the ratio 15 : 12, we have a = 15 and b = 12.

The duplicate ratio is:

15² : 12² = 225 : 144