Areas related to circles – Class 10

CBSE CLASS 10 MATHEMATICS
Areas Related to Circles – Chapter 12 /MCQ

1. Find the area of a sector of angle 90, given the radius of circle is 7 cm?
   A. 77 sq cm
   B. 77/2 sq cm
   C. 76 sq cm
2. If the area and circumference of a circle are numerically equal, then the radius of the circle is —————
   A. 2 units
   B. 4 units
   C. 6 units
3. The radii of two circles are 8 cm and 6 cm respectively. The radius of the circle having area equal to the sum of the areas of the two circles is ——–
   A. 8 cm
   B. 10 cm
   C. 12 cm
4. Find the width of a circular path whose inner circumference is 44 cm and outer circumference is 176 cm?
   A. 7 cm
   B. 21 cm
   C. 28 cm
5. The sum of circumference of two circles is 176 cm. If the radius of one circle is 21 cm, the radius of the second circle is —————
   A. 6 cm
   B. 7cm
   C. 8 cm
6. Find the perimeter of the quadrant of a circle of radius 21 cm?
   A. 33 cm
   B. 21 cm
   C. 75 cm
7. The area of a circle whose circumference is 44 cm ————–
   A. 77 sq cm
   B. 154 sq cm
   C. 231 sq cm
8. In a circle of radius 14 cm an arc subtends an angle of 90 degree at the centre. Then the length of the arc is ————
   A. 11 cm
   B. 22 cm
   C. 33 cm
9. If the perimeter of a protractor is 36 cm, its radius is ——–
   A. 6cm
   B. 7 cm
   C. 8 cm
10. A wheel has diameter 56 cm. How many times will the wheel of a vehicle rotate to cover 880m?
    A. 5
    B. 7
    C. 8
11. If the difference between the circumference and diameter of a circle is
    225 cm. Then the radius of the circle is —————–
    A. 50.5 cm
    B. 52.5 cm
    C. 54.5 cm
12. The circumference of a circle exceeds its diameter by 30 cm, and then the radius of the circle is —————
    A. 7 cm
    B. 9 cm
    C. 11 cm

ANSWERS:

1. 77/2 sq cm
2. 2 units
3. 10 cm
4. 21 cm
5. 7 cm
6. 75 cm
7. 154 sq cm
8. 22 cm
9. 7 cm
10. 5
11. 52.5 cm
12. 7 cm