Question

a person sold 3/4th of his articles at a profit of 25% and the rest of his articles at a profit of 17%. The overall percentage of his profit is?

Answer 1

Let CP of whole be Rs x.
CP of 3/4th = Rs 3x/4
CP of 1/4th = Rs x/4
∴ Total SP = Rs [(120% of 3x/4) + x/4]
Rs (9x/10 + x/4) = Rs 23x/20
Gain = Rs (23x/20 - x) = Rs 3x/20
∴ Gain % = (3x/20 X 1/x X 100)%
∴ Gain % = 15%.(ANS.)

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Answer 2

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Let,


Whole CP= X

CP= 3x/4

CP of 1/4 = x/4

Total Sp = 120℅ of 3x/4+x/4

9x/10+x/4=23x/20


Gain = 3x/20


3x/20×1/x×100


=15%



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