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NCERT Class 10 Math Chapter 11 Areas Related to Circles MCQ Question Answer with Online test of Objective type Solution.
Class 10 Math Chapter 11 MCQ Question Answer
1. The ratio of circumference and diameter of a circle is
(A) 2π : 1
(B) π : 1
(C) 1 : 1
(D) none of these.
Answer
Ans. (B) π : 1
2. Area of a sector of angle θ° of a circle with radius R will be
(A) (θ/180) × 2πR
(B) (θ/180) × πR2
(C) (θ/360) × 2πR
(D) (θ/360) × πR2
Answer
Ans. (D) (θ/360) × πR2
3. If the perimeter and the area of a circle are numerically equal, then the radius of the circle is
(A) 2 units
(B) π units
(C) 4 units
(D) 7 units
Answer
Ans. (A) 2 units
4. Length of an arc of a sector of angle θ is
(A) (θ/180) × 2πR
(B) (θ/180) × πR2
(C) (θ/360) × 2πR
(D) (θ/360) × πR2
Answer
Ans. (C) (θ/360) × 2πR
5. The area of a quadrant of a circle whose circumference is 22 cm is
(A) 66/8 cm2
(B) 77/8 cm2
(C) 89/8 cm2
(D) 99/8 cm2
Answer
Ans. (B) 77/8 cm2
6. Ratio of area of a circle to circumference of circle is
(A) π : 1
(B) r : 2
(C) πr : 2
(D) π : 2
Answer
Ans. (B) r : 2