Mixtures & Alligation · Question 19 · Easy
A 50 kg brass alloy contains copper and zinc in the ratio 7 : 3. How much zinc does it contain?
- 35 kg
- 15 kg
- 21 kg
- 20 kg
Answer and explanation
Answer: B. 15 kg
Explanation: Zinc is 3 of 10 parts: 3/10 × 50 = 15 kg.
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