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1. |
An alloy of zinc and copper contains the metals in the ratio 5 : 3. The quantity of zinc to be added to 16 kg of thealloy so that the ratio of the metal may be 3 : 1 is? |
A. | 8 kg |
B. | 3 kg |
C. | 4 kg |
D. | 2 kg |
Answer» B. 3 kg | |