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Converting Fractions/Decimals to Percentages

If error in m...

Question

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

A

2%

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B

8%

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C

4%

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D

1%

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Solution

The correct option is C 4%
Since $C \propto d$ therefore error in measurement of $C$ is same as error in measurement of $d$ .
Hence, option (C) is correct.

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