# True value has been 50 whereas measured value is 40 then the percentage error in the reading

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True value has been 50 whereas measured value is 40 then the percentage error in the reading will be ______.

(A) 20% (B) 40% (C) 50% (D) 30%

True value has been 50 whereas measured value is 40 then the percentage error in the reading will be 20%

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