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Application of Formula of CI

The weight of...

Question

The weight of a box is $30$ kg In a hurry it was weighed as $30.6$ kg. Find the error percentage____

A

3 %

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B

2 %

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C

4 %

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D

10 %

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Solution

The correct option is C $2 %$
% error = $\frac{30.6 - 30}{30} \times 100$
(See synopsis) = $\frac{0.6}{30} \times 100$ = 2%

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