An alloy of gold and silver weight 50 g. It contains 80% gold. How much gold sho – OfficerPath

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MCQ Practice

An alloy of gold and silver weight 50 g. It contains 80% gold. How much gold should be added to the alloy so that percentage of gold is increased to 90 ?

Subject: MathematicsTopic: Percentage

A

30 g

B

40 g

C

50 g

D

60 g

Correct Answer: C

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