1751. If the side of a square is increased by 25%, then its area gets increased by
- A. 56.25 %
- B. 76.25 %
- C. 50%
- D. 59 %
Check answer and explanation
Answer: 56.25 %
Explanation Side of a square is increased by 25 % Let the initial side be x Initial area = x 2 New Side = x + 4 x = 4 5 x New area = 1 6 2 5 x 2 increase in area = 1 6 9 x 2 ∴ % increase = 1 6 9 0 0 = 5 6 . 2 5 %