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2 litre of pure alcohol is added to 6 li...

2 litre of pure alcohol is added to 6 litre, 40% alcohol solution. The percentage of water in the solution is _____

A

`65%`

B

`45%`

C

`55%`

D

`60%`

Text Solution

Verified by Experts

The correct Answer is:
B
6 litre of 40% alcohol contains `(60xx6)/(100)=3.6` liter water
According to the question,
8 liter of solution also contains 3.6 litre water
`:.%` of water in the solution `=(3.6)/(8)xx100`
=45 per cent
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