Question

A shopkeeper bought sports material worth rupees 1120 and sold it for rupees1320.What was the percentage of profit?

Answer 1

C.P. = 1120
S.P. = 1320
Gain Amount = S.P. - C.P.
= 1320-1120
= 200
Gain Percentage = Gain Amount/C.P.
x 100
= 20000/1120
= 17.85%
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Answer 2

$cost \: price \: = 1120 \\ selling \: price \: = 1320 \\ sp > cp \\ gain \: = sp \: - cp \\ 1320 - 1120 = 200 \\ gain\% = gain \times \frac{100}{cp} \\ 200 \times \frac{100}{1120} \\ = 17.8\% \: gain$