Mixtures & Alligation · Question 29 · Hard
Mixtures & Alligation question 29
A trader has 50 kg of onions. He sells a part at a 10% loss and the rest at a 15% profit, gaining 5% on the whole. How many kg did he sell at a loss?
- 20 kg
- 30 kg
- 25 kg
- 15 kg
Answer and explanation
Answer: A. 20 kg
Explanation: By alligation, loss part : profit part = (15 − 5) : (5 − (−10)) = 10 : 15 = 2 : 3. Quantity sold at a loss = 2/5 × 50 = 20 kg.
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