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Question 1 of 30
1. Question
The circumference of a circle exceeds its diameter by 120cm, then its radius is
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Question 2 of 30
2. Question
The area of a circle is 2464 sq. cm, then its diameter is given by
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Question 3 of 30
3. Question
The diameter of a wheel is 1.26 m. The distance travelled in 500 revolutions is
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Question 4 of 30
4. Question
The area of a sector of a circle with radius 21cm and sector angle 120° is
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Question 5 of 30
5. Question
The perimeter of a circle is equal to that of a square, then the ratio of their areas is
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Question 6 of 30
6. Question
The ratio of the areas of the incircle and circumcircle of a square is
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Question 7 of 30
7. Question
If the area of a circle is numerically equal to twice its circumference, then the diameter of the circle is:
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Question 8 of 30
8. Question
The ratio of area of two circles whose ratio of circumference is 3:1 will be
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Question 9 of 30
9. Question
If the area of a circle is 154 \(cm^{2}\), then its perimeter is
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Question 10 of 30
10. Question
The area of a sector of a circle bounded by an arc of length 5π cm is equal to 20π \(cm^{2}\), then its radius is
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Question 11 of 30
11. Question
The area of a circle whose circumference is 22 cm, is
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Question 12 of 30
12. Question
If the radius of a circle is increased by 100%, then its area is increased by
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Question 13 of 30
13. Question
The perimeter of a semicircular protractor whose radius is 7cm is
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Question 14 of 30
14. Question
If ‘r’ is the radius of a circle, then its perimeter is given by
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Question 15 of 30
15. Question
The area of the circle that can be inscribed in a square of side 10cm is
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Question 16 of 30
16. Question
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
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Question 17 of 30
17. Question
The distance covered by a circular wheel of diameter ‘d’ in 100 revolutions is
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Question 18 of 30
18. Question
The diameter of a wheel is 1.26 m. The distance travelled in 500 revolutions is
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Question 19 of 30
19. Question
The area of the square that can be inscribed in a circle of radius 12 cm is
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Question 20 of 30
20. Question
The perimeter (in cm) of a square circumscribing a circle of radius a cm, is
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Question 21 of 30
21. Question
The radii of two circles are 4 cm and 3 cm respectively. The diameter of the circle having area equal to the sum of the areas of the two circles (in cm) is:
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Question 22 of 30
22. Question
The radii of two circles are 19 cm and 9 cm respectively. The radius of the circle which has circumference equal to the sum of the circumference of two circles is
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Question 23 of 30
23. Question
23. The area of the circle is 154 \(cm^{2}\). The radius of the circle is
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Question 24 of 30
24. Question
24. If angle of sector is 60°, radius is 3.5 cm then length of the arc is
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Question 25 of 30
25. Question
25. The area of a quadrant of a circle whose circumference is 22 cm, is
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Question 26 of 30
26. Question
26. If 0 is the angle in degrees of a sector of a circle of radius V, then area of the sector is
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Question 27 of 30
27. Question
27. A horse is tied to a peg at one corner of a square shaped grass field of side 15 m by means of a 7 m long rope. The area of that part of the field in which the horse can graze, is
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Question 28 of 30
28. Question
28. The area of the circle whose diameter is 21 cm is
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Question 29 of 30
29. Question
29. The area of the sector of a circle with radius 6 cm and of angle 60° is
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Question 30 of 30
30. Question
30. The area of a circle whose circumference is 22 cm, is
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