Question

A student buys a pen for Rs 90 and sells it for Rs 100 find his gain and gain percantage​

Answer 1

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Answer 2

Answer:

C.P = Rs.90

S.P = Rs.100

Hence, gain = S.P - C.P = Rs.100 - 90 = Rs.10

Gain% = (10/90 × 100)% = 11whole1/9%