In a rare coin collection, there is one gold coin for every three non-gold coins. 10 more gold coins are added to the

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Q 2462845735.     In a rare coin collection, there is one gold coin for every
three non-gold coins. 10 more gold coins are added to
the collection and the ratio of gold coins to non-gold
coins would be 1 : 2. Based on the information, the
total number of coins in the collection now becomes
IAS 2013 Prelims
A

`90`

B

`80`

C

`60`

D

`50`

HINT

Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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