15 litres of a mixture contains 20% alcohol and rest water. If 3 litres of…
2026
15 litres of a mixture contains 20% alcohol and rest water. If 3 litres of water is added in it, per cent of alcohol in the new mixture will be?
- A.
16.34
- B.
16.67
- C.
20
- D.
33.34
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Correct answer: B
Ans:- 1) 16.67%
Alcohol in the mixture = 15 x 20/100 = 3 litres.
Now 3 litres water is added, mixture becomes (15 + 3) litres = 18 litres.
Therefore, Percentage of alcohol in the new mixture = 3/18 * 100 = 16 2/3 = 16.67%