Question :
An alloy contains the copper and aluminum in the ratio of 7:4. While making the weapons from this alloy, 12% of the alloy got destroyed. If there is 12 kg of aluminum in the weapon, then weight of the alloy required is :
1. 14.4 kg
2. 37.5 kg
3. 40 kg
4. 48 kg
Answer :
2 - 37.5 kg
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