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A boy is cycling such that the wheels of...

A boy is cycling such that the wheels of the cycle are making 140 revolutions per minute. If the diameter of the wheel is 60 cm, calculate the speed per hour with which the boy is cycling.

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CBSE COMPLEMENTARY MATERIAL-AREAS RELATED TO CIRCLES-SHORT ANSWER TYPE II QUESTIONS
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  14. Find the area of the shaded region shown in the fig.

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  15. Find the area of the minor segment of a circle of radius 21 cm, when t...

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