Question:

I sold two watches for Rs. 300 each, one at the loss of 10% and the other at the profit of 10%. What is the percentage of loss(–) or profit(+) that resulted from the transaction?

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Equal SP with equal % gain and loss always results in a net loss.
Updated On: Aug 6, 2025
  • (+)10
  • (–)1
  • (+)1
  • (–)10
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The Correct Option is B

Solution and Explanation

First watch: SP = 300, loss 10% → CP = $\frac{300 \times 100}{90} = 333.33$. Second watch: SP = 300, gain 10% → CP = $\frac{300 \times 100}{110} = 272.73$. Total CP = 606.06, Total SP = 600. Loss = 6.06. Loss% = $\frac{6.06}{606.06} \times 100 \approx 1%$.
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