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प्रश्न
In an alloy, the ratio of copper and zinc is 5 : 2. If 1.250 kg of zinc is mixed in 17 kg 500 g of alloy, then the ratio of copper and zinc in the alloy will be ______.
विकल्प
1 : 2
2 : 1
2 : 3
3 : 2
MCQ
रिक्त स्थान भरें
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उत्तर
In an alloy, the ratio of copper and zinc is 5 : 2. If 1.250 kg of zinc is mixed in 17 kg 500 g of alloy, then the ratio of copper and zinc in the alloy will be 2 : 1.
Explanation:
The original 17.5 kg alloy contains 12.5 kg copper and 5 kg zinc. After adding 1.25 kg zinc, the ratio is 12.5 : 6.25 = 2 : 1.
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