Vessels A and B contain mixtures of milk and water in the ratios 4: 5 and 5: 1, respectively. In what ratio should quantities of mixture be taken from A and B to form a mixture in which milk to water is in the ratio 5: 4? |
A) 2 : 5
B) 4 : 3
C) 5 : 2
D) 2 : 3
Correct Answer: C
Solution :
In A, fraction of milk \[=\frac{4}{9}\] |
In 8, fraction of milk \[=\frac{5}{6}\] |
In mixture of A and B \[=\frac{5}{9}\] |
By Alligation rule, |
\[\therefore \]Required ratio \[=\frac{\frac{5}{18}}{\frac{1}{9}}=\frac{5}{18}\times 9=5:2\] |
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