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Question

You are given a dart board of radius R cm. What is the probability that you hit the bull's eye of radius r cm?


A

r2R2

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B

rR

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C

Rr

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D

Insufficient data

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Solution

The correct option is A

r2R2


Area of board = π R2
Area of bull's eye = π r2
Using the concept of Geometric Probability = AreaofrequiredregionTotalarea = r2R2.


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