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Q.

If the error in measuring diameter of a circle is 4%, the error in measuring radius of the circle would be

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a

2%

b

8%

c

4%

d

1%

answer is C.

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Detailed Solution

Since D∝r therefore, there will be no any change in error it will remain 4% for radius also.

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If the error in measuring diameter of a circle is 4%, the error in measuring radius of the circle would be