A sugar solution of 3 litres contain 60% sugar. One litre of water is added to this solution. Then the percentage of sugar in the new solution is :-
A. 30%
B. 45%
C. 50%
D. 60%
Answer: Option B
Solution(By Examveda Team)
Percentage of sugar in 4 litres mixture.
$$\eqalign{ & = \frac{9}{{5 \times 4}} \times 100 \cr & = 45\% \cr} $$
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Related Questions on Alligation
A. $$\frac{{1}}{{2}}$$ kg
B. $$\frac{{1}}{{8}}$$ kg
C. $$\frac{{3}}{{14}}$$ kg
D. $$\frac{{7}}{{9}}$$ kg
A. 81 litres
B. 71 litres
C. 56 litres
D. 50 litres
sugar = 40/100 * 3 = 120/100 = 1.2 liters
percentage of new sugar
= 1.2/(3+1) * 100%
= 1.2/4 * 100%
= 0.3 * 100%
= 30%