Mixtures & Alligation · Question 5 · Easy
How many kg of sugar costing ₹70 per kg must be mixed with 3 kg of sugar costing ₹50 per kg so that the mixture costs ₹62 per kg?
- 4.5 kg
- 4 kg
- 5 kg
- 6 kg
Answer and explanation
Answer: A. 4.5 kg
Explanation: Cheaper : dearer = (70 − 62) : (62 − 50) = 8 : 12 = 2 : 3. With 3 kg of the cheaper sugar, the dearer quantity = 3 × 3/2 = 4.5 kg.
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