The length and breadth of a rectangle is increased by 10% and 25% respectively. What is the increase in the area?

A. 27.5%
B. 37.5%
C. 47.5%
D. 57.5%

Explanation:

100 * 100 = 10000

110 * 125 = 13750

———–

3750

10000 —— 3750

100 ——- ? => 37.5%