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Question
The weight of a machine is 40 kg. By mistake it was weighed as 40.8 kg. Find the error percent.
Solution
Actual weight of machine = 40 kg
Errored weight = 40.8 kg
∴ Error in weight = 40.8 - 40 = 0.8 kg
Error % = `(0.8 xx 100)/40 = (8 xx 100)/(10 xx 40) = 2 %`
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