1 litre of water is added to 5 litres of alcohol-water solution containing 40% alcohol strength. The strength of alcohol in the new solution will be :
A. 30%
B. 33%
C. $$33\frac{2}{3}$$%
D. $$33\frac{1}{3}$$%
Answer: Option D
Solution(By Examveda Team)
40% = $$\frac{{2\,\, \to \,\,{\text{Alcohol}}}}{{5\,\, \to \,\,{\text{Mixture}}}}$$Water : Alcohol
3 : 2
Required percentage
= $$\frac{2}{(5 + 1)}$$ × 100
= $$\frac{2}{6}$$ × 100
= $$\frac{1}{3}$$ × 100
= $$33\frac{1}{3}$$%
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C. $$\frac{1}{2}$$
D. $$\frac{2}{3}$$
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