A) 1 : 1
B) 1 : 3
C) 1 : 2
D) 7 : 5
Correct Answer: D
Solution :
Milk in A \[=\frac{4}{7}\]of whole, |
Milk in B\[=\frac{2}{5}\] of whole |
Milk in mixture of A and B \[=\frac{1}{2}\]of whole |
Let the CP of unit quantity be Rs. 1. |
CP of 1 unit of A CP of 1 unit of B |
Required ratio\[=\frac{1}{10}:\frac{1}{14}=14:10=7:5\] |
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