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Rohit bought an old scooter for ₹11,500 and spent ₹1,000 on its repairing. He sold it for ₹15,000. Then

  • A.his loss percent is 21%
  • B.his gain percent is 20%
  • C.his gain percent is 15%
  • D.his loss percent is 18%

Answer: B

His gain percent is 20%.

The repair cost is part of the cost price:

\[ \begin{aligned} \text{CP} &= 11500 + 1000 = 12500 \\ \text{Gain} &= 15000 - 12500 = 2500 \\ \text{Gain}\% &= \frac{2500}{12500} \times 100 = 20\% \end{aligned} \]

Since he sold for more than he spent, there is no loss, which rules out both loss options. Ignoring the repair cost would give a gain of 3500 on 11500, about 30%, which is not offered; 15% has no basis in these figures.

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