The length and breadth of a rectangle are increased by 10% and 20% respectively. How many... in the area of ​​the rectangle?

The length and breadth of a rectangle were increased by 30% and 20% respectively.Then find the area will increased.

If the length and breadth of a rectangle are increased by 8% and 12% respectively, then by what percentage area of that rectangle increase?

The length and breadth of a rectangle are increased by 20% and 10% respectively. What is the percentage increase in the area of the rectangle ?

The length and breadth of a rectangle are increased by 10% and 5% respectively. Find the percentage increase in its area.

If the length and breadth of a rectangle are increased by 10 % and 8 % ,respectively, then by what per cent will the area of that rectangle be increased?

The length and breadth of a square are increased by 60% and 40% respectively . The area of the resulting rectangle exceeds the area of the square by :