60 kg of an alloy X is mixed with 100 kg of an alloy Y. If alloy X has lead and tin in the ratio of 3:2…
The correct choice is: “44 kg” Tin in X: lead : tin = 3 : 2, so tin = 2/5 × 60 = 24 kg. Tin in Y: tin : copper = 1 : 4, so tin = 1/5 × 100 = 20 kg. Total tin in the new…
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60 kg of an alloy X is mixed with 100 kg of an alloy Y. If alloy X has lead and tin in the ratio of 3:2 and alloy Y has tin and copper in the ratio of 1:4, then the amount of tin in the new alloy is
Answer and explanation
Correct answer D
The correct choice is: “44 kg”
Tin in X: lead : tin = 3 : 2, so tin = 2/5 × 60 = 24 kg.
Tin in Y: tin : copper = 1 : 4, so tin = 1/5 × 100 = 20 kg.
Total tin in the new alloy = 24 + 20 = 44 kg.
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