How many approximate kgs of sugar costing ₹45 per kg must be mixed with 25 kg…
2025
How many approximate kgs of sugar costing ₹45 per kg must be mixed with 25 kg of sugar costing ₹32 per
kg so that a 15% gain may be obtained by selling the mixture at ₹43.70 per kg?
Answer: C. 21 kg — A 15% gain at a selling price of Rs 43.70 means the mixture cost price is 43.70/1.15 = Rs 38 per kg. Let x kg of Rs 45 sugar be mixed with 25 kg of Rs 32…
- A.
15 kg
- B.
25 kg
- C.
21 kg
- D.
18 kg
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Correct answer: C
A 15% gain at a selling price of Rs 43.70 means the mixture cost price is 43.70/1.15 = Rs 38 per kg.
Let x kg of Rs 45 sugar be mixed with 25 kg of Rs 32 sugar.
(45x + 25 x 32)/(x + 25) = 38 gives x = 150/7, approximately 21 kg.
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