A) 2 : 5
B) 1 : 5
C) 3 : 5
D) 4 : 5
Correct Answer: B
Solution :
[b] Let the CP be Rs. 1 per litre. SP of 1 L of mixture = Rs. 1, Gain per cent = 20% CP of 1 L of mixture \[=\left( \frac{100}{120}\times 1 \right)\] \[=\text{Rs}.\,\,\frac{5}{6}\] Ratio of water and spirit \[=\frac{1}{6}:\frac{5}{6}=1:5\] |
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