Question

The weight of a machine is 40 kg. By mistake it was weighed as 40.8 kg. Find the error percent.

Answer 1

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 %`