Question
A shopkeeper bought 50 pens at Rs 8 each. He sold 30
pens at a profit of 25% and the remaining 20 pens at a loss of 10%. Find his overall profit or loss.Solution
Total Cost Price (CP) = 50 × 8 = Rs 400 For 30 pens: CP = 30 × 8 = 240 Profit 25% ⇒ SP = 240 × 1.25 = 300 For 20 pens: CP = 20 × 8 = 160 Loss 10% ⇒ SP = 160 × 0.90 = 144 Total SP = 300 + 144 = 444 Overall profit = 444 − 400 = Rs 44 Answer: Profit of Rs 44.
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