A) 30 kg
B) 37 kg
C) 42 kg
D) 40 kg
E) 50 kg
Correct Answer: A
Solution :
Alloy P - Lead : Tin\[=2:3\] \[\therefore \] Tin\[=\frac{2}{5}\times 30=12\,\,kg\] Alloy Q - Tin : Copper = 1 : 4 \[\therefore \] Tin\[=\frac{1}{5}\times 90=18\,\,kg\] Total amount of Tin in the new alloy \[=18+12=30\,\,kg\]You need to login to perform this action.
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