Zinc and copper are in the ratio of 5 : 3 in 200 gm of an alloy. How m – McqOptions

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1.	Zinc and copper are in the ratio of 5 : 3 in 200 gm of an alloy. How much grams of copper be added to make the ratio as 3 : 5 ?
A.	133(1/3)
B.	1/200
C.	72
D.	66
Answer» B. 1/200

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