Bottle 1 contains a mixture of milk and water in 7 : 2 ratio and Bottle 2 contains a mixture of milk and water in 9 : 4 ratio. In what ratio of volumes should the liquids in Bottle 1 and Bottle 2 be combined to obtain a mixture of milk and water in 3 : 1 ratio?
Correct Answer :
27 : 13
Solution :
Correct Option: B
Concentration of milk in the first bottle is 7/9 and that in the second bottle is 9/13. They need to be mixed in a
certain ratio to get a solution which has 3/4th milk.
Applying alligation,
(Liquid taken from bottle 1)/(Liquid taken from bottle 2) =
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