# MCQ Questions for Class 10 Maths Chapter 12 Areas Related to Circles

If you want to learn Chapter 12 Areas Related to Circles concepts or want to get excellent grades in the CBSE exam, practicing MCQs is a stepping stone to begin your exam preparation. These MCQs can assist you to prepare for the challenging questions expected to come in the CBSE exam. The MCQs are curated keeping in mind the latest CBSE syllabus and exam pattern.The students must have a strong acquaintance with concepts to solve these MCQs. The more you revise and practice Chapter 12 Areas Related to Circles, the more you become skilled. Consistent practice gives insight into the type of questions. Cracking MCQs equips students to answer precisely with time management to ace the exam.

## Class 10 Maths Chapter 12 Areas Related to Circles MCQs

**1. Perimeter of a sector of a circle whose central angle is 90Â° and radius 7 cm is**

A. 35 cm

B. 25 cm

C. 77 cm

D. 7 cm

**Answer: B**

**2. The area of a circle that can be inscribed in a square of side 10 cm is**

A. 40Ï€ cmÂ²

B. 30Ï€ cmÂ²

C. 100Ï€ cmÂ²

D. 25Ï€ cmÂ²

**Answer: D**

**3. The perimeter of the sector with radius 10.5 cm and sector angle 60Â° is**

A. 32 cm

B. 23 cm

C. 41 cm

D. 11 cm

**Answer: A**

**4. The perimeter of a sector of radius 5.2 cm is 16.4 cm, the area of the sector is**

A. 31.2 cmÂ²

B. 15 cmÂ²

C. 15.6 cmÂ²

D. 16.6 cmÂ²

**Answer: C**

**5. If the radius of a circle is doubled, its area becomes**

A. 2 times

B. 4 times

C. 8 times

D. 16 times

**Answer: B**

**6. If the sum of the circumferences of two circles with radii R1 and R2 is equal to circumference of a circle of radius R, then**

A. R1 + R2 = R

B. R1 + R2 > R

C. R1 + R2 < R

D. Canâ€™t say;

**Answer: A**

**7. 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€rÂ² cmÂ²

B. 6Ï€rÂ² cmÂ²

C. 4Ï€rÂ² cmÂ²

D. 3Ï€rÂ² cmÂ²

**Answer: B**

**8. A race track is in the form of a circular ring whose outer and inner circumferences are 396 m and 352 m respectively. The width of the track is**

A. 63 m

B. 56 m

C. 7 m

D. 3.5 m

**Answer: C**

**9. The area of the largest square that can be inscribed in a circle of radius 12 cm is**

A. 24 cmÂ²

B. 249 cmÂ²

C. 288 cmÂ²

D. 196âˆš2 cmÂ²

**Answer: C**

**10. The area (in cmÂ²) of the circle that can be inscribed in a square of side 8 cm is**

A. 64 Ï€

B. 16 Ï€

C. 8 Ï€

D. 32 Ï€

**Answer: B**

**11. A steel wire when bent in the form of a square encloses an area of 121 cmÂ². If the same wire is bent in the form of a circle, then the circumference of the circle is**

A. 88 cm

B. 44 cm

C. 22 cm

D. 11 cm

**Answer: B**

**12. The diameter of a circle whose area is equal to sum of the areas of the two circles of radii 40 cm and 9 cm is**

A. 41 cm

B. 49 cm

C. 82 cm

D. 62 cm

**Answer: C**

**13. If angle of sector is 60Â°, radius is 3.5 cm then length of the arc is**

A. 3 cm

B. 3.5 cm

C. 3.66 cm

D. 3.8 cm

**Answer: C**

**14. 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

**Answer: B**

**15. 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

**Answer: A**

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

A. 256 cmÂ²

B. 128 cmÂ²

C. 642 cmÂ²

D. 64 cmÂ²

**Answer: B**

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