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A tradesperson marks his imports 10% above the CP. If he allows a discount of \(3\frac{1}{4}\%\), then his gain percent is:

  • A.5.425%
  • B.6.425%
  • C.7.425%
  • D.8.425%

Answer: B

The gain is 6.425 per cent. Let the cost price be 100. The marked price is 110. A discount of 3 1/4 per cent leaves 96.75 per cent of it: \[ SP = 110 \times 0.9675 = 106.425 \] so the gain is 6.425 on 100, which is 6.425 per cent.

5.425, 7.425 and 8.425 per cent would need a selling price different from 106.425.

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