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Class 10 Maths Chapter 12 Areas Related To Circles Quiz 4 (25 MCQs)

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1. If the sum of the areas of two circles with radii R$_{1}$ and R$_{2}$ is equal to the area of a circle of radius R, then
2. 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
3. What is the area of a minor segment of a circle?
4. Area of square inscribed in a circle of unit radius is
5. Diameter of a circle whose area is equal to the sum of the areas of the two circles of radii 24 cm and 7 cm is
6. What will be the area of the major sector of a circle, if minor arc subtends an angle of 30 degrees and area of circle is 50 square centimeters?
7. (0, 0), (3, 0) and (0, -3) forms ..... triangle.
8. 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
9. In a right angled triangle ABC, right angled at B, BC = 12 cm and AB = 5 cm. The radius of the circle inscribed in the triangle is
10. The perimeter (in cm ) of a square circumscribing a circle of radius a cm, is
11. If angle of sector is 60$^\circ$, radius is 3.5 cm then length of the arc is
12. The largest triangle inscribed in a semi-circle of radius r, then the area of that triangle is;
13. Number of types of sectors in a circle are
14. The diameters of front and rear wheels of a tractor are 80 cm and 2 m, respectively. Find the number of revolutions that rear wheel will make in covering a distance in which the front wheel makes 1400 revolutions.
15. What is the fixed point called in a circle?
16. If AB is a chord of length 5 $\sqrt[]{3}$
17. The circumferences of two circles are in the ratio 3:4. The ratio of their areas is
18. If the area of a circle is 154 cm2, then its perimeter is
19. If a wire is bent into the shape of a square the area is $81cm^2$
20. The perimeter of a circular field is 242 m. The area of the field is
21. The perimeter of the sector with a radius of 10.5 cm and sector angle of 60$^\circ$ is .....
22. If the area of minor sector of a circle and the length of arc of the corresponding sector are numerically equal, then the radius of the circle is
23. If the perimeter of a circle is equal to that of square, then the ratio of the area of circle to square is
24. The area of the circle that can be inscribed in a square of side 8 cm is
25. (2, 3), (3, 5) and(0, -1) are .....
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