The price of a jewel, passing through three hands, rises on the whole by 65%. If the first and second sellers earned 20% and 25% profit respectively, then find the percentage of profit earned by the third seller.
A10 ✓ Correct
B15
C20
D30
Correct answer: (A) 10
Explanation
The third seller's profit is 10%.
Overall the price becomes 1.65 times the first cost.
The first two sellers multiply it by 1.20 x 1.25 = 1.50.
1.65 / 1.50 = 1.10.
So the third seller's profit is 10%.
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