mathematics quiz on area and perimeter for class 7

Perimeter and Area

QuizMade by :- Arnav

GoyalAIS- 43 Gurgaon

Ques 1:- The diameter of the circle is 44 cm. What is its radius ?

22 cm88 cm

88 cm2A 22 cm2 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is D.

Ques 2:- What is the area of the circle if radius is 7 m ?

49 m249 cm2

154 m2A 154 cm2 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is B.

Ques 3:- If each side of a square is 1m then which of the following is

its area ?

100 cm210,000

cm2

1,00,000 cm2

A 1,000 cm2 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is C.

Ques 4:- What is the side of the rectangle of area 1200 cm2 if one

side is 10 cm ?

120 cm21200 cm

120 cmA 12 cm B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is B.

Ques 5:- Which of the following is Heron’s Formula to take out the

area of a triangle?

√3s(s-a)(s-b)(s-c)√s(s-a)s(s-b)s(s-c)

√(s-a)(s-b)(s-c) A √s(s-a)(s-b)(s-c) B

C D

a, b and c = Sidess = Semi

Perimeter

CORRECT ANSWER

WRONGANSWERCorrect Answer is A.

Ques 6:- Area of a triangle is20 cm2 and base is 20 cm. Find the

height of the triangle ?

2 cm10 cm

6 cmA 8 cm B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is D.

Ques 7:- Find the base and height of the triangle if base and height

are in the ratio of 5:7 and area is 70 cm2 ?

9 cm and 14 cm

10 cm and 14 cm

7 cm and 14 cm

A 12 cm and 14 cm B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is C.

Ques 8:- Find the area of a carpet required to cover a rectangular floor of sides 12.5 m and 9 m?

132.5 m2122.5m2

102.5 m2A 112.5 m2 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is A.

Ques 9:- In a city there is a circular playground(OB) of 10 cm and it has a

garden(OA) of 5 cm. The area left outside the garden is used as the cycling track. Find

the area of the cycling track(AB) ?

125π75π

25πA100π B

C D

O

B

A

CORRECT ANSWER

WRONGANSWERCorrect Answer is C.

Ques 10:- The rectangular wall has a perimeter of 250 m. The height is 25 m. Find the rate of painting the

wall at the cost of Rs. 20 per m2 ?

Rs. 120000

Rs. 12500

Rs. 125000

A Rs. 12000 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is B.

Ques 11:- Find the area and perimeter of the following figure respectively ?

8 CM4

CM

2 CM

OPTIONS ARE ON THE NEXT SLIDE

2 CM

26 cm2 and 26 cm

24 cm2 and 26 cm

26 cm2 and 28 cm

A 24 cm2 and 28 cm B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is A.

Ques 12:- The area of floor is 100 m2 . How many rectangular tiles of 25 cm x

40 cm will require for flooring ?

10,000 nos.

100 nos.

1000 nos.A 1 no. B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is B.

Ques 13:- Which option is same as 154 m2 ?

15,40,000 cm2

1,54,000 cm2

15,40,00,00 mm2

A 15,40,000 mm2 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is D.

Ques 14:- The area of a circle is 154 cm2 . Find its circumference ?

56 cm7 cm

44 cmA 49 cm B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is B.

Ques 15:- Find the height “x” if the area of the parallelogram is

144cm2 and its base is 4 cm ?

18 cm36 cm

576 cmA 72 cm B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is C.

Ques 16:- Find the altitude of a triangle with base 24 cm and area

672cm2 ?

14 cm57.66 cm

56 cmA 28 cm B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is B.

Ques 17:- The shape of a garden is given below and the ends of the garden

are semi circle. Find the area and perimeter of the garden ?

OPTIONS ARE ON THE NEXT SLIDE

7 CM

20 CM

129.5 cm2

and 48 cm130 cm2

and 84 cm

130 cm2

and 48 cmA 129.5 cm2

and 84 cm B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is C.

Ques 18:- In the below figure, the area enclosed between two concentric circles is

770 cm2 . If the radius of the outer circle is 21 cm, calculate the radius of the inner circle ?

OPTIONS ARE ON THE NEXT SLIDE

10 cm 16 cm

12 cmA 14 cm B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is A.

Ques 19: - A rectangular piece of paper dimensions 3 cm x 2 cm was cut from a rectangular

sheet of paper dimensions 6 cm x 5 cm. Find the area of the

remaining sheet ?

OPTIONS ARE ON THE NEXT SLIDE

3 CM

2 CM

6 CM

5 CM

24 cm2 22 cm2

36cm2A 30cm2 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is C.

Ques 20: - Area of triangle MNO in the given figure will be ?

Note :- This figure is in cm.

OPTIONS ARE ON THE NEXT SLIDE

M

N

PQ

O

(½ MN x OQ) cm2

(½ NO x OQ) cm2

(½ NO x MO) cm2

A (½ MN x NO) cm2 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is D.

Ques 21 : - Find the area of rhombus PQRS in the given figure ?

Note : P is the centre of AB and Q is the centre of BC

OPTIONS ARE ON THE NEXT SLIDE

A B

D C

12 cm

6 cm

P

Q

RS

18 cm252 cm2

36 cm2 A 72 cm2 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is B.

Ques 22 : - Find the area of the triangle EBC in the following figure ?

OPTIONS ARE ON THE NEXT SLIDE

A B

D C

3 cm

8 cm

5 cm

E

6 cm212 cm2

16 cm2 A 4 cm2 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is D.

Ques 23:- Find x if the area of the given triangle is 25 cm2 ?

OPTIONS ARE ON THE NEXT SLIDE

A

B

5 cm

C

x cm

5x cm

2x cm

10 cm8 cm

2 cm A 4 cm B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is B.

Ques 24:- Find the sum of the area of triangle AOD and BOC ?

OPTIONS ARE ON THE NEXT SLIDE

A B

D C

10 cm

6 cm O

3 cmM

15 cm245 cm2

60 cm2 A 30 cm2 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is A.

Ques 25: - What is the ratio of the area of triangle MNO to the area of parallelogram MNOP ?

OPTIONS ARE ON THE NEXT SLIDE

M

N

PQ

O

2 : 11 : 2

1 : 1A 2 : 3 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is C.

Ques 26: - What is the ratio of the area of triangle MNO to the area of triangle MOP ?

OPTIONS ARE ON THE NEXT SLIDE

M

O PN Q

MO = 5 cm

NO = 4 cm

OP = 2 cm

PQ = 6 cm

2 : 11 : 2

3 : 2A 2 : 3 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is D.

Ques 27: - Area of a right angled triangle is 600 m2 . If its one side is 30 m then its hypotenuse will

be ?

OPTIONS ARE ON THE NEXT SLIDE

A

B C

50 mm500mm

50000 mm

A 5000 mm B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is B.

Ques 28:- A table top is semi circular in shape with diameter 2.8 m, what will be the

area of the table top ?

12.32m26.16m2

24.64 m2A 3.08m2 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is A.

Ques 29:- Find the area of the following figure (ABCD) ?

OPTIONS ARE ON THE NEXT SLIDE

A

C21 cm

7 cm

D

B7 cm

73.5 cm298 cm2

147 cm2 A 441 cm2 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is C.

Ques 30:- Find the area of the shaded region (black) ?

OPTIONS ARE ON THE NEXT SLIDE

C

20 cm

D

A B

-857.14cm2714.28 cm2

396.86 cm2 A 85.72 cm2 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is A.

Ques 31:- Find the area of the shaded region (purple) (both are squares) ?

OPTIONS ARE ON THE NEXT SLIDE

1 0 c m

30 cm

1000 cm2600 cm2

2200 cm2 A 1600 cm2 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is D.

Ques 32:- Find the area of the shaded region (red) ?

OPTIONS ARE ON THE NEXT SLIDE

C

20 cm

D

A B

18 cm

29 π cm219 π cm2

9 π cm2A 10 π cm2 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is C.

Ques 33: - Find the area of the orange boundary outside the purple rectangle ?

OPTIONS ARE ON THE NEXT SLIDE

60 m

38 m 6 m

1000 m2 772 m2

1248 m2A 228 m2 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is B.

OPTIONS ARE ON THE NEXT SLIDE

70 m

45 m

Q u e s 3 4 - Two cross roads, each of width 5 m, run at right angles through the centre of a rectangular park of length 70 m and breadth 45 m and parallel to its sides. Find the area of the roads ? Also find the cost

of constructing the roads at the rate of Rs. 105 per m2 ?

575 m2 and Rs. 57,750

550 m2 and Rs. 60,375

550 m2 and Rs. 57,750

A 575 m2 and Rs. 60,375 B

C D

CORRECT ANSWER

WRONGANSWERCorrect Answer is B.

THE END

Thanks

Made By:- Arnav Goyal