A barrel contains a mixture of seine ...

A barrel contains a mixture of seine and water in the ratio 3 : 1. How much fraction of the mixture must be drawn off and substituted by water so that the ratio of wine and water in the resultant mixture in the barrel becomes 1 : 1? `1/3` b. `1/4` c. `2/3` d. `3/4`

A

`1/4`

B

`1/3`

C

`3/4`

D

`2/3`

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The correct Answer is:

B

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