Question of The Day15-05-2023
If after selling 30 pens, the seller observes the profit of sell price of 10 pens, then the profit percentage is-
Answer
Correct Answer : b ) 50%
Explanation :Let SP be a pen's selling price and CP be a pen's cost price.
It is given that,
by selling 30 pens, a profit equal to the selling price of 10 pens is achieved.
30*(SP - CP) = 10SP
20SP = 30CP
SP/CP = 3/2
Profit % = (SP - CP) *100/CP
Profit % = (SP/CP - 1) * 100
Profit % = (3/2 - 1) * 100
Profit % = 50
Hence, (b) is the correct answer.
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