Question : A shopkeeper buys two cameras at the same price. He sells one camera at a profit of 18% and the other at a price 10% less than the selling price of the first. His total profit or loss percentage is:
Option 1: 12.1% profit
Option 2: 12.1% loss
Option 3: 12.2% profit
Option 4: 11.1% loss
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Correct Answer: 12.1% profit
Solution :
Given: A shopkeeper buys two cameras at the same price.
He sells one camera at a profit of 18%.
The other is at a price 10% less than the selling price (SP) of the first.
Let the cost price (CP) of each camera be 100 units.
SP of the first camera = 118
SP of the second camera = 90% of 118 = 106.2
Total CP = 100 + 100 = 200
Total SP = 118 + 106.2 = 224.2
Profit = 224.2 – 200 = 24.2
$\therefore$ Profit % = $\frac{24.2}{200}×100$ = 12.1%
Hence, the correct answer is 12.1% profit.
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