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The weight of copper is 75% in an alloy of copper & zinc weighing 180 grams. How much copper be mixed in the alloy so that quantity of copper would become 85%.
A: 140 gr
B: 130 gr
C: 120 gr
D: 125 gr
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Copper in given quantity is 135 gr.
135+x/180+x = 85/100
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1 1 answers with (D)
SHUBHAM KUMAR answers with (C)
RAKESH YELURI answers with (C)
DEEPAK BAIKAR answers with (A)
JAY PRAKASH KUSHWAHA answers with (C)
SHAILENDRA YADAV answers with (C)
PRIYANKA JAIN answers with (C)
RAMBABU KASHYAP answers with (D)
SURYA KANT answers with (A)
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