The length and breadth of a rectangle are increased by 30% and 20% respectively from the side length of an original square. By what percent does the area of the new rectangle exceed the area of the square?
Q1. The length and breadth of a rectangle are increased by 30% and 20% respectively from the side length of an original square. By what percent does the area of the new rectangle exceed the area of the square?
Answer: 56%
Explanation: New area = 1.30 × 1.20 = 1.56 times the original square's area, so the increase is 56%.