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.
A1260
B1400
C2800
D1540
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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.
A9100 %
B10%
C9%
D11%
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Answer: A) 9100 %
He gives 900 g but charges for 1000 g. Profit = 900 g actually given100 g extra charged×100=900100×100=9100 % ≈ 11.11%.