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In 50 gm alloy of gold and silver , th...

In 50 gm alloy of gold and silver , the gold is `80%` by weight . How much gold should be mixed to this alloy so that weight of gold would become `95%` ?

A

a)200 gm

B

b)150 gm

C

c)50 gm

D

d)10 gm

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