Area of Rectangle

Q.

The area of a rectangle garden $50m$ long is $300m^2$, find the width of the garden.

Q.

Question 169
A factory has a container filled with 35874L of cold drink. In how many bottles of 200 mL capacity each, can it be filled?

Q.

A floor is $5m$ long and $4m$ wide. A square carpet of sides $3m$ is laid on the floor. Find the area of the floor that is not carpeted.

Q.

A table-top measures $2m$ by $1m50cm.$ What is its area in square meters?

Q.

A room is 4 m long and 3 m 50 cm wide. How many square meters of carpet is needed to cover the floor of the room?

Q.

Question 5

What is the cost of tilling a rectangular plot of land 500 m long and 200 m wide at the rate of ₹8 per hundred sq.m?

Q.

Five square flower beds each of sides $1m$ are dug on a piece of land $5m$ long and $4m$ wide. What is the area of the remaining part of the land?

Q. What will happen to the area of rectangle, if its length is doubled and breadth is halved?

1. Remains the same
2. Doubles
3. Halves
4. Cannot be said

Q.

The length of a cinema hall is $20m$ and breadth is $16m.$ The sum of the areas of floor and flat roof is equal to the areas of four walls. Find the height of the hall.

1. $9.1m$
2. $7.24m$
3. $7.5m$
4. $8.9m$

Q.

Question 1(a)

Find the area of the rectangle whose side is 3 cm and 4 cm.

Q.

Question 1(b)

Find the area of the rectangle whose side is 12 m and 21 m

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Question 1(d)

Find the area of the rectangle whose side is 2 m and 70 cm.

Q.

The Length And Breadth Of A Rectangle Are$(5.7\pm 0.1)cm$ And $(3.4\pm 0.2)cm$, respectively. Calculate The Area Of Rectangle With Error Limits.

Q.

The area of a rectangle is 650 sq. cm and one of its side is 13 cm, what is the perimeter of the rectangle?

1. 186 cm

2. 126 cm

3. 162 cm

4. 168 cm

Q.

What is the cost of tiling a rectangular plot of land 300 m long and 100 m wide at the rate of Rs. 8 per sq. m.?

1. Rs. 3, 40, 000

2. Rs. 2, 50, 000

3. Rs. 2, 40, 000

4. Rs. 2, 45, 000

Q.

Find the area of the rectangle whose sides are : $8\text{cm}$ and $2.5\text{cm}$

Q. If perimeter of a rectangle is 14 cm and length is 5 cm, then find the area of the rectangle.

1. 10 $c{m}^2$
2. 8 $c{m}^2$
3. 20 $c{m}^2$
4. 15 $c{m}^2$

Q.

A dentists office and parking lot are on a rectangular piece of land.

The area (in square meters) of the land is represented by $x^2+x-30$.

Write a binomial that represents the width of the land.

Q.

Question 1(c)

Find the area of the rectangle whose side is 2 km and 3 km.

Q.

Question 21

Kanta has p pencils in her box. She puts q more pencils in the box. The total number of pencils with her are

(a) p + q

(b) pq

(c) p - q

(d) $\frac{p}{q}$

Q.

How big is $2$ acres ?

Q.

Question 51

A magazine charges ₹ 300 per 10 sq cm area for advertising. A company decided to order a half page advertisement. If each page of the magazine is 15 cm$\times$27 cm, what amount will the company has to pay for it?

Q. How many pieces of stone slabs each 26 cm long and 10 cm broad will be required to lay a path 260 m long and 15 m wide.

1. 15, 000
2. 1, 20, 000
3. 2, 50, 000
4. 1, 50, 000

Q.

A circle is divided into 8 equal parts. Given that the area of the shaded portion is (10/4) $m^2$. Find

the area of the unshaded part of the circle.

[4 MARKS]

Q.

A room is 5 m 40 cm long and 3m 75cm wide. What area of carpet is needed to cover the floor?

1. 20.25 sq. m

2. 20.52 sq. m

3. 20.15 sq. m

4. 20.51 sq. m

Q.

Question 11(a)

Split the given shapes into rectangles and find the area. (The measures are given in centimetres)

Q.

Question 47

The length of a rectangular field is 8 m and breadth is 2 m. If a square field has the same perimeter as this rectangular field, find which field has the greater area.

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Question 44

Anmol has a chart paper of measure 90 cm $\times$40 cm, whereas Abhishek has one which measures 50 cm $\times$70 cm. Which will cover more area on the table and by how much?

Q. Area of a rectangle and the area of a circle are equal. If the dimensions of rectangle are $14cm\times 11cm$, then radius of the circle is:

1. 10.5 cm
2. 14 cm
3. 7 cm
4. 21 cm

Q. Find the area of the given figure (all dimensions are in cm).

1. $46c{m}^2$
2. $60c{m}^2$
3. $36c{m}^2$
4. $63c{m}^2$