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A bookshop ow...

Question

A bookshop owner purchased $100$ notebooks for Rs $15$ each. However, $5$ notebooks had to be return as few pages were torn from them. The remaining notebooks were sold at Rs $18$ each. Find the gain or loss percent.

10 %

gain

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14 %

gain

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12 %

loss

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8 %

loss

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Solution

The correct option is B $14 %$ gain
Total money spent on buying books = $100 \times 15 = R s . 1500$

Total money earned selling books = $(100 - 5) \times 18 = 95 \times 18 = R s . 1710$

Total gain = $1710 - 1500 = R s . 210$

Gain percentage = $\frac{T o t a l g a i n}{M o n e y s p e n t} \times 100 = \frac{210}{1500} \times 100 = \frac{210}{15} = 14 %$ $[B]$ .

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A bookshop owner purchased 100 notebooks for Rs15 each. However, 5 notebooks had to be return as few pages were torn from them. The remaining notebooks were sold at Rs18 each. Find the gain or loss percent.

The correct option is B 14% gainTotal money spent on buying books = 100×15=Rs. 1500Total money earned selling books = (100−5)×18=95×18=Rs. 1710Total gain = 1710−1500=Rs. 210Gain percentage = Total gainMoney spent×100=2101500×100=21015=14% [B].

A bookshop owner purchased $100$ notebooks for Rs $15$ each. However, $5$ notebooks had to be return as few pages were torn from them. The remaining notebooks were sold at Rs $18$ each. Find the gain or loss percent.