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## Thursday, 25 February 2021

### CBSE Class 7 Maths - MCQ and Online Tests - Unit 11 - Perimeter and Area

#### CBSE Class 7 Maths – MCQ and Online Tests – Unit 11 – Perimeter and Area

Every year CBSE students attend Annual Assessment exams for 6,7,8,9,11th standards. These exams are very competitive to all the students. So our website provides online tests for all the 6,7,8,9,11th standards’ subjects. These tests are also very effective and useful for those who preparing for any competitive exams like Olympiad etc. It can boost their preparation level and confidence level by attempting these chapter wise online tests.

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#### CBSE Class 7 Maths – MCQ and Online Tests – Unit 11 – Perimeter and Area

Question 1.
The area of a square plot is 1600 m2. The side of the plot is
(a) 40 m
(b) 80 m
(c) 120 m
(d) 160 m

Hint:
Side = $$\sqrt{1600}$$ = 40 m

Question 2.
The area of a square is 121 m2. Its side is
(a) 11 m
(b) 21 m
(c) 31 m
(d) 41 m

Hint:
Side = $$\sqrt{121}$$ = 11 m

Question 3.
Area of a rectangle of length l and breadth b is
(a) l Ũ b
(b) l + b
(c) 2 Ũ (l + b)
(d) 6 Ũ (l + b)

Hint:
Formula

Question 4.
Area of a parallelogram =
(?) base Ũ height
(b) $$\frac { 1 }{ 2 }$$ Ũ base Ũ height
(c) $$\frac { 1 }{ 3 }$$ Ũ base Ũ height
(d) $$\frac { 1 }{ 4 }$$ Ũ base Ũ height

Hint:
Formula

Question 5.
Area of a triangle =
(?) base Ũ height
(b) $$\frac { 1 }{ 2 }$$ Ũ base Ũ height
(c) $$\frac { 1 }{ 3 }$$ Ũ base Ũ height
(d) $$\frac { 1 }{ 4 }$$ Ũ base Ũ height

Answer: (b) $$\frac { 1 }{ 2 }$$ Ũ base Ũ height
Hint:
Formula

Question 6.
The circumference of a circle of radius r is
(a) pr
(b) 2pr
(c) pr2
(d) $$\frac { 1 }{ 4 }$$ pr2

Hint:
Formula

Question 7.
The circumference of a circle of diameter d is
(a) pd
(b) 2pd
(c) $$\frac { 1 }{ 2 }$$ pd
(d) pd2

Hint:
Formula

Question 8.
If r and d are the radius and diameter of a circle respectively, then
(a) d = 2 r
(b) d = r
(C) d = $$\frac { 1 }{ 2 }$$ r
(d) d = r2

Answer: (a) d = 2 r
Hint:
Formula

Question 9.
The area of a circle of radius r is
(a) pr2
(b) 2pr2
(c) 2pr
(d) 4pr2

Hint:
Formula

Question 10.
The area of a circle of diameter d is
(a) pd2
(b) 2pd2
(c) $$\frac { 1 }{ 4 }$$ pd2
(d) 2pd

Answer: (c) $$\frac { 1 }{ 4 }$$ pd2
Hint:
Formula

Question 11.
1 cm2 =
(a) 10 mm2
(b) 100 mm2
(c) 1000 mm2
(d) 10000 mm2

Hint:
Formula

Question 12.
Perimeter of a square =
(a) side Ũ side
(b) 3 Ũ side
(c) 4 Ũ side
(d) 2 Ũ side

Hint:
Formula

Question 13.
Perimeter of a rectangle of length Z and breadth 6 is
(a) l + b
(b) 2 Ũ (l + b)
(c) 3 Ũ (l + b)
(d) l Ũ b

Answer: (b) 2 Ũ (l + b)
Hint:
Formula

Question 14.
Area of a square =
(a) side Ũ side
(b) 2 Ũ side
(c) 3 Ũ side
(d) 4 Ũ side

Hint:
Formula

Question 15.
1 are =
(a) 10 m2
(b) 100 m2
(c) 1000 m2
(d) 10000 m2

Hint:
Formula

Question 16.
The area of a square is 625 m2. Find its side
(a) 25 m
(b) 50 m
(c) 125 m
(d) 5 m

Hint:
Side = $$\sqrt{625}$$ = 25 m

Question 17.
The area of a rectangular field is 250 m2. If the breadth of the field is 10 m, find its length.
(a) 25 m
(b) 50 m
(c) 100 m
(d) 125 m

Hint:
Length = $$\frac{250}{10}$$ = 25 m

Question 18.
The perimeter of a rectangle is 30 m. Its length is 10 m. Its breadth is
(a) 5 m
(b) 10 m
(c) 15 m
(d) 3 m

Hint:
30 = 2 (Length + Breadth)
? 30 = 2 (10 + Breadth)

Question 19.
If the area of a parallelogram is 16 cm2 and base is 8 cm, find the height.
(a) 1 cm
(b) 2 cm
(c) 3 cm
(d) 4 cm

Hint:
Height = $$\frac{16}{8}$$ = 2 cm

Question 20.
The area of a parallelogram is 20 cm2 and height is 2 cm. Find the corresponding base.
(a) 3 cm
(b) 4 cm
(c) 5 cm
(d) 2.4 cm

Hint:
Base = $$\frac{20}{2}$$ = 10 cm

Question 21.
The perimeter of a square is 48 cm. Its area is
(a) 144 cm2
(b) 12 cm2
(c) 48 cm2
(d) 100 cm2

Hint:
Side = $$\frac{48}{4}$$ = 12 cm
? Area = 12 Ũ 12 = 144 cm2

Question 22.
The area of a rectangular room is 150 m2. If its breadth is 10 m, then find its length.
(a) 15 m
(b) 25 m
(c) 50 m
(d) 55 m

Hint:
Length = $$\frac{150}{10}$$ = 15 m

Question 23.
A rectangular wire of length 40 cm and breadth 20 cm is bent in the shape of a square. The side of the square is
(a) 10 cm
(b) 20 cm
(c) 30 cm
(d) 40 cm

Hint:
Side of square = $$\frac{2(40+20)}{4}$$ = 30 cm

Question 24.
The area of a parallelogram of base 5 cm and height 3.2 cm is
(a) 8 cm2
(b) 12 cm2
(c) 16 cm2
(d) 20 cm2

Hint:
Area = 5 Ũ 3.2 = 16 cm2

Question 25.
The diameter of a circle is 14 cm. Find its circumference
(a) 44 cm
(b) 22 cm
(c) 11 cm
(d) 55 cm

Hint:
Circumference = $$\frac{22}{7}$$ Ũ 14 = 44 cm

Question 26.
The radius of a circle is 7 cm. Find its area
(a) 154 cm2
(b) 77 cm2
(c) 11 cm2
(d) 22 cm2

Hint:
Area = $$\frac{22}{7}$$ Ũ 7 Ũ 7 = 154 cm2

Question 27.
Find the area of the following ; parallelogram:

(a) 12 cm2
(b) 6 cm2
(c) 24 cm2
(d) 8 cm2

Hint:
Area = 6 Ũ 2 = 12 cm2

Question 28.
Find the area of the following parallelogram:

(a) 6 cm2
(b) 12 cm2
(c) 16 cm2
(d) 9 cm2

Hint:
Area = 4 Ũ 3 = 12 cm2

Question 29.
The area of the parallelogram ABCD in which AB = 6.2 cm and the perpendicular from C on AB is 5 cm is
(a) 30 cm2
(b) 29 cm2
(c) 28 cm2
(d) 31 cm2

Hint:
Area = 6.2 Ũ 5 = 31 cm2

Question 30.
One of the sides and the corresponding height of a parallelogram are 3 cm and 1 cm respectively. The area of the parallelogram is
(a) 1 cm2
(b) 3 cm2
(c) 6cm2
(d) 12 cm2

Hint:
Area = 3 Ũ 1 = 3 cm2

Question 31.
The diameter of a circle is 7 cm. Find its area
(a) 154 cm2
(b) 38.5 cm2
(c) 22 cm2
(d) 11 cm2

Hint:
Area = $$\frac{22}{7}$$ Ũ $$\frac{7}{2}$$ Ũ $$\frac{7}{2}$$ = 38.5 cm2

Question 32.
The perimeter of the following figure is

(a) 27 cm
(b) 28 cm
(c) 36 cm
(d) 40 cm

Hint:
Perimeter = 2 Ũ 7 + $$\frac{22}{7}$$ Ũ 7
= 14 + 22 = 36 cm.

Question 33.
Find AD in the following figure :

(a) 3 cm
(b) 4 cm
(c) 5 cm
(d) 2.4 cm

Hint:
Area of ? ABC = $$\frac{3Ũ4}{2}$$
= $$\frac{5ŨAD}{2}$$ ? AD = 2.4

Question 34.
Find the area of ? ABC :

(a) 1 cm2
(b) 2 cm2
(c) 4 cm2
(d) $$\frac { 1 }{ 2 }$$ cm2

Answer: (d) $$\frac { 1 }{ 2 }$$ cm2
Hint:
Area = $$\frac{1Ũ1}{2}$$ = $$\frac{1}{2}$$ cm2

Question 35.
Find the area of ? ABC

(a) 3 cm2
(b) 4 cm2
(c) 6 cm2
(d) 12 cm2

Hint:
Area = $$\frac{4Ũ3}{2}$$ = 6 cm2

Question 36.
Find the area of ? ABC

(a) 1 cm2
(b) 2 cm2
(c) 3 cm2
(d) 4 cm2

Hint:
Area = $$\frac{3Ũ2}{2}$$ = 3 cm2

Question 37.
Which of the following is not the value of p ?
(a) $$\frac { 22 }{ 7 }$$
(b) $$\frac { 7 }{ 22 }$$
(c) $$\frac { 355 }{ 113 }$$
(d) 3.14

Answer: (b) $$\frac { 7 }{ 22 }$$

Question 38.
The radius of a circle is 7 cm. Its circumference is
(a) 22 cm
(b) 44 cm
(c) 11 cm
(d) 66cm

Hint:
Circumference = 2 Ũ $$\frac{22}{7}$$ Ũ 7 = 44 cm

Question 39.
1 m2 =
(a) 10 cm2
(b) 100 cm2
(c) 1000 cm2
(d) 10000 cm2

Hint:
Formula

Question 40.
1 hectare =
(a) 10 m2
(b) 100 m2
(c) 1000 m2
(d) 10000 m2