MCQs Questions for Class 10 Maths Chapter 12 Area Related to Circles

# MCQs Questions for Class 10 Maths Chapter 12 Area Related to Circles

## MCQs Questions for Class 10 Maths Chapter 12 Area Related to Circles

In this 21st century, Multiple Choice Questions (MCQs) play a very important role to prepare for a competitive examination. CBSE board also gives a number of MCQs questions in board examinations. In most of the competitive examinations, only MCQ Questions are asked.

In future, if you want to prepare for competitive examination, then you should focus on the MCQs questions. Thus, let’s solve these MCQs questions to make our foundation strong.

In this post, you will find 20 MCQs questions for class 10 maths chapter 12 area related to circles.

## MCQs Questions for Class 10 Maths Chapter 12 Area Related to Circles

1. If the circumference of a circle and the perimeter of a square are equal, then

(A) Area of the circle = Area of the square

(B) Area of the circle > Area of the square

(C) Area of the circle < Area of the square

(D) Nothing definite can be said about the relation between the areas of the circle and square.

2. The perimeter of a sector of a circle whose central angle is 90° and radius 7 cm is
(A) 35 cm
(B) 25 cm
(C) 77 cm
(D) 7 cm

3. If the area of the circle is 154 cm2, then the radius of the circle is
(A) 7 cm
(B) 14 cm
(C) 3.5 cm
(D) 17.5 cm

4. Area of the largest triangle that can be inscribed in a semi-circle of radius units, in square units is:

(A) r2

(B) 1/2r2

(C) 2 r2

(D) √2r2

5. If the angle of sector is 60° and the radius is 3.5 cm, then the length of the arc is
(A) 3 cm
(B) 3.5 cm
(C) 3.66 cm
(D) 3.8 cm

6. The area of a circle that can be inscribed in a square of side 10 cm is
(A) 40Ï€ cm²
(B) 30Ï€ cm²
(C) 100Ï€ cm²
(D) 25Ï€ cm²

7. If the perimeter of a circle is equal to that of a square, then the ratio of their areas is:

(A) 22:7

(B) 14:11

(C) 7:22

(D) 11:14

8. The area of the circle whose diameter is 21 cm is
(A) 346.5 cm²
(B) 37.68 cm²
(C) 18.84 cm²
(D) 19.84 cm²

9. The perimeter of a square circumscribing a circle of radius Î± units is
(A) 2Î± units
(B) 4Î± units
(C) 8Î± units
(D) 16Î± units

10. It is proposed to build a single circular park equal in area to the sum of areas of two circular parks of diameters 16 m and 12 m in a locality. The radius of the new park would be

(A) 10 m

(B) 15 m

(C) 20 m

(D) 24 m

11. The area of the sector of a circle with radius 6 cm and of angle 60° is
(A) 9.42 cm²
(B) 37.68 cm²
(C) 18.84 cm²
(D) 19.84 cm²

12. If the perimeter of a sector of radius 5.2 cm is 16.4 cm, then the area of the sector is
(A) 31.2 cm²
(B) 15 cm²
(C) 15.6 cm²
(D) 16.6 cm²

13. The area of the square that can be inscribed in a circle of radius 8 cm is

(A) 256 cm2

(B) 128 cm2

(C) 642 cm2

(D) 64 cm2

14. The area of a circle whose circumference is 22 cm, is
(A) 11 cm²
(B) 38.5 cm²
(C) 22 cm²
(D) 77 cm²

15. If the radius of a circle is doubled, its area becomes
(A) 2 times
(B) 4 times
(C) 8 times
(D) 16 times

16. The radius of a circle whose circumference is equal to the sum of the circumferences of the two circles of diameters 36 cm and 20 cm is

(A) 56 cm

(B) 42 cm

(C) 28 cm

(D) 16 cm

17. The length of the minute hand of a clock is 14 cm. The area swept by the minute hand in 5 minutes is
(A) 153.9 cm²
(B) 102.6 cm²
(C) 51.3 cm²
(D) 205.2 cm²

18. The radius of sphere is r cm. It is divided into two equal parts. The whole surface area of two parts will be
(A) 8Ï€r² cm²
(B) 6Ï€r² cm²
(C) 4Ï€r² cm²
(D) 3Ï€r² cm²

19. The wheel of a motor cycle is of radius 35 cm. How many revolutions per minute must the wheel make so as to keep a speed of 66 km/h?

(A) 300

(B) 400

(C) 450

(D) 500