1.There are two circles intersecting each other. Another smaller circle with centre O, is lying between the common region of two larger circles. Centre of the circle (i.e., A, O and B) are lying on a straight line. AB = 16 cm and the radii of the larger circles are 10 cm each. What is the area of the smaller circle?
4π cm^{2}
4π cm^{2}
π/4 cm^{2}
4/π cm^{2}
2. ABCD is a square, inside which 4 circles with radius 1 cm, each are touching each other. What is the area of the shaded region?
(143π) cm^{2}
(125π) cm^{2}
(45π) cm^{2}
(4π) cm^{2}
3. The area of a circle is 38.5 sq. cm. Its circumference is
33 cm
22 cm
11 cm
44 cm
4. The circumference of a circle whose diameter is 4.2 cm is
10 cm
14 cm
13.2cm
11 cm
5. The length of the wire is 66m. The number of circles of circumference 13.2cm can be made from the wire is
1
50
500
5
6. The circumference of a circle exceeds its diameter by 120cm, then its radius is
18cm
28cm
25cm
20m
7. The area of a square inscribed in a circle of diameter ‘d’ is
d_{2}/2
d_{2}
d_{2}/4
2d_{2}
8. The distance covered by a circular wheel of diameter ‘d’ in 100 revolutions is
100π
200πd
100d
100πd
9. The radius of the circle whose area is equal to the sum of the areas of the two circles of radii 24cm and 7cm is
31cm
45cm
30cm
25cm
10. The radius of the circle whose circumference is equal to the sum of the circumferences of the two circles of radii 24cm and 7cm is
21cm
17cm
31cm
22cm
Class 10 Areas Related to Circles Quiz 2Time limit: 0
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