Copper and Zinc are in the ratio 2 3 in 200 gms of an alloy. The quantity (in grams) of copper to be added to it to make the ratio 3 2 is

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1.	Copper and Zinc are in the ratio 2 : 3 in 200 gms of an alloy. The quantity (in grams) of copper to be added to it to make the ratio 3 : 2 is:
A.	150gm
B.	100gm
C.	120gm
D.	125gm
E.	None of these
Answer» C. 120gm

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Explore topic-wise MCQs in Arithmetic.

Copper and Zinc are in the ratio 2 : 3 in 200 gms of an alloy. The quantity (in grams) of copper to be added to it to make the ratio 3 : 2 is: