A man adds water to 25 L of pure milk and sells the mixture at Rs. 3 per L. If pure milk cost Rs. 3.60 per L. How many litres of water does he add? |
A) 4 L
B) 5 L
C) 6 L
D) 7 L
Correct Answer: B
Solution :
\[\frac{\text{Quantity}\,\,\text{of}\,\,\text{pure}\,\,\text{milk}}{\text{Quantity}\,\,\text{of}\,\,\text{water}}=\frac{3}{0.6}=\frac{30}{6}=\frac{5}{\text{L}}\] |
\[\Rightarrow \] \[5:1=25\]\[\Rightarrow \]\[x=5\,\,\text{L}\] |
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