Area - Questions and Answers

1. The length and breadth of a square are increased by 40$ and 30% respectively. The area of the resulting rectangle exceeds the area of the square by:

2. The area of a rectangle is three that of a square. Length of the rectangle is 40 cm and the breadth of the rectangle is (3/2) times that of the side of the square. The side of the square in cm is:

3. Area of a square hectare. The diagonal of the square is:

4. If the side of a square is doubled then the ratio of the resulting square to that of the given square is:

5. The length of a rectangle is doubled while its breadth is halved. What is the percentage change in area?