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The price of a jewel, passing through three sellers, rises on the whole by 65%. If the first and the second sellers earned 20% and 25% profit respectively. The percentage profit earned by third seller is?

Solution

✅ Correct Option: 2

Successive rises multiply, so 1.20×1.25×(1+r)=1.651.20 \times 1.25 \times (1+r) = 1.65. Since 1.20×1.25=1.501.20 \times 1.25 = 1.50, we get 1+r=1.651.50=1.101+r = \frac{1.65}{1.50} = 1.10, so the third seller's profit is 10%10\%.

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