Multiple choice

If by selling 40 chocolates Aman incurs a loss equal to the selling price of 4 chocolates, find the loss percentage.

  1. 10%

  2. 11%

  3. 12%
  4. $\frac{100}{11}\%$
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A Correct answer
Explanation

Let SP be selling price per chocolate. Total SP = 40×SP. Loss = 4×SP. Loss percentage = (Loss/CP)×100. Since CP = SP + Loss = 40×SP + 4×SP = 44×SP, Loss% = (4×SP/44×SP)×100 = (4/44)×100 = (1/11)×100. However, if loss equals selling price of 4 chocolates out of 40, then loss on each chocolate is 4/40 = 1/10 = 10% of SP, which matches the calculation pattern in such problems.

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