## 61. The area of the largest triangle that can be inscribed in a semi-circle of radius r, is :

## 62. If radius of a circle is 3 cm, what is the area of the circle in sq. cm ?

## 63. The base of an isosceles is 14 cm and its perimeter is 36 cm. Find its area.

## 64. The total cost of flooring a room at Rs. 8.50 per square metre is Rs. 510. If the length of the room is 8 m, its breadth is :

## 65. The diagonal of a rectangular field is 15 metres and the difference between its length its length and width is 3 metres. The area of the rectangular field is :

## 66. A room 5m × 8 m is to be carpeted leaving a margin of 10 cm from each wall. If the cost of the carpet is Rs. 18 per sq. meter, the cost of carpeting the room will be :

## 67. The length of a rectangular plot is thrice its breadth. If the area of the rectangular plot is 7803 sq. mtr, what is the breadth of the rectangular plot ?

## 68. A coaching institute wants to execute tiling work for one of its teaching halls 60 m long and 40 m wide with a square tile of 0.4 m side. If each tile costs Rs. 5, the total cost of tiles would be :

## 69. The ratio of the area of a square to that of the square drawn on diagonal is :

## 70. The area of the four walls of a room is 120 m^{2} and the length is twice the breadth. If the height of the room is 4 m, then the area of the floor is :

^{2}and the length is twice the breadth. If the height of the room is 4 m, then the area of the floor is :

## Read More Section(Area)

Each Section contains maximum **100 MCQs question** on **Area**. To get more questions visit other sections.