Area of Rectangle

Q. The area of a rectangular garden $50$ m long is $300$ m${}^2$, find the width of the garden.
[2 marks]

1. $5$ m
2. $6$ m
3. $60$ m
4. $30$ m

Q.

The area of a rectangle can be expressed as the sum of area of two triangles. True or false?

1. False
2. True

Q.

A car's number plate was to be painted equally in blue and red as shown in the figure. What will be the total cost of painting the car's number plate if the red paint costs Rs 2 per $c{m}^2$ and the blue paint costs Re 1 per $c{m}^2$?

1. Rs. 300

2. Rs. 420

3. Rs. 350

4. Rs. 360

Q.

Karan wants to cover the floor of his room with lavish tiles. His room is square in shape with sides of 6 m. The shopkeeper told him that the area of each tile is 0.5 m². Can you tell how many tiles Karan should buy?

1. 144

2. 72

3. 36

4. 108

Q.

Given the area of a circle is 36 cm². The area of the rectangle is $\frac{1}{6}$^th of the area of the circle. If the breadth of the rectangle is 1 cm, what is its length?

1. 6 cm

2. 12 cm

3. 36 cm

4. 26 cm

Q.

The length of a rectangle is 10 cm and width is 7 cm. What will be the area of a rectangle formed by joining 12 such rectangles?

1. 840 $c{m}^2$

2. 70 $cm$

3. 680 $c{m}^2$

4. 460 $cm$

Q.

There is a square plot with side length equal to 13 m. A farmer wanted to grow grass on half his field and plough the remaining land. Find the area of land used to grow the grass.

1. 52 m²

2. 84.5 m²

3. 84.5 m

4. 169 m²

Q.

The area of the given figure will be

1. 90 sq.units
2. 93 sq.units
3. 94 sq.units
4. 66 sq. units

Q.

Find the cost of ploughing a rectangular farm at the rate of ₹ 12/m² , having length equal to 12 m and width equal to 5 m.

1. ₹ 120

2. ₹ 720

3. ₹ 360

4. ₹ 240

Q.

The area of a rectangular piece of a board is 36 cm². If the length is 4 cm, what is the width of the board?

1. 26 cm

2. 4 cm

3. 9 cm

4. 12 cm