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Question

Pankaj expected to earn 425inaweek.Infactheearned500. What was the percentage error?

A
25%
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B
15%
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C
11.5%
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D
None of these
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Solution

The correct option is C 15%
Here, Approximate value is $425.
Exact value is $500.
%Error=|ApproximatevalueExactvalue||Exactvalue|×100

%Error=|425500||500|×100

%Error=|75|500×100=15%

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