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CBSE Notes 2011-2012 » Area Related to Circles - Class 10 Maths MCQs (Free Practice Test)

Area Related to Circles - Class 10 Maths MCQs (Free Practice Test)


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Question :

The area of a circle is 38.5 square cm. Its circumference
is


Answer :

5 cm
22 cm
14 cm
196 cm


Question :

A circular wire of radius 42 cm is cut and bent into the form of a rectangle whose sides are in the ratio of 6 : 5. The smaller side of the rectangle is


Answer :

30 cm
60 cm
70 cm
80 cm


Question :

The radius of circle is 50 cm. If the radius is decreased by 50%, its area will be decreased by


Answer :

50%
75%
80%
25%


Question :

The area of a quadrant of a circle whose circumference
is 44 cm is


Answer :

77 cm2
38.5 cm2
19.25 cm2
35.5 cm


Question :

Radius of a circle is 1 m. If its diameter is increased by
100%, its area is increased by


Answer :

150%
200%
250%
300%


Question :

The number of rounds that a wheel of diameter yy m will make in going 4 km is


Answer :

1500
1700
2000
2500


Question :

The diameter of a wheel is 1.26 m. How far will it travel
in 500 revolutions ?


Answer :

2670 m
2880 m
1980 m
1596 m


Question :

The circumferences of two concentric circles forming a
ring are 88 cm and 66 cm respectively. The width of the
ring is


Answer :

14 cm
7 cm
7/2 cm
21 cm


Question :

A toothed wheel of diameter 50 cm is attached to a smaller
wheel of diameter 30 cm. How many revolutions will the
smaller wheel make when the larger one makes 15
revolutions ?


Answer :

23
24
25
26


Question :

The area of the largest circle that can be drawn inside a square of side 14 cm in length is


Answer :

121 cm2
154 cm2
169 cm2
196 cm2