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Class 7 Profit and Loss — practice questions with answers

Comparing Quantities · 5 sample questions from the school syllabus. Try each one, then open the answer and the worked solution.

1. If the selling price (SP) is greater than the cost price (CP), what does the seller make?
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Answer: A) Profit
When SP > CP, the seller earns a profit equal to SP - CP.
2. An item is sold at a loss of 10%. If CP = ₹500, find the SP.
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Answer: D) 450
Loss = 10% of 500 = 50. SP = 500 - 50 = ₹450.
3. On selling a pen for ₹36, a shopkeeper loses ₹4. The loss percent (on CP) is
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Answer: A) 10%
CP = SP + Loss = 36 + 4 = 40. Loss% = = 10%.
4. A man sells an article at a profit of 15%.
If he had bought it for 10% less and sold it for ₹35 less, he would have gained 25%.
Find the original cost price.
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Answer: B) 1400
Let CP = x. Original SP = 1.15x. New CP = 0.9x, new SP = 0.9x × 1.25 = 1.125x. New SP = original SP - 35, so 1.125x = 1.15x - 35 → 0.025x = 35 → x = ₹1400.
5. A dishonest dealer claims to sell sugar at cost price but uses a weight of 900 g in place of 1 kg.
Find his profit percent.
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Answer: A) %
He gives 900 g but charges for 1000 g. Profit = % ≈ 11.11%.
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