In two vessels A and B. there is mixture of milk and water. The ratio of milk and water in these vessels is 5 : 2 and 8 : 5 respectively. In what ratio these mixtures be mixed together so that the ratio of milk and water in the new mixture becomes 9 : 4?

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BANK PO Exam (Indian Overseas Bank) 2013 click here to view all questions

In two vessels A and B. there is mixture of milk and water. The ratio of milk and water in these vessels is 5 : 2 and 8 : 5 respectively. In what ratio these mixtures be mixed together so that the ratio of milk and water in the new mixture becomes 9 : 4?

A7 : 2

B2 : 7

C3 : 5

D5 : 3

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Correct answer is: 7 : 2 Explanation: Let. C.P. of milk per litre be Re.1  $\text{Milk in 1 litre of A = }\frac{5}{7} \text{ litre}$  $\text{Milk in 1 litre of B }= \frac{8}{13}$ $\text{Milk in 1 litre of mixture }= \frac{9}{13} litre$ $\text{Therefore, Required ratio}$ $= \frac{1}{13} : \frac{2}{91}$ $= 7 : 2$ Nithin ? answered undefined All Comments

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