Question
A container contains 220 lit of pure milk and P liters
of water. Ratio of 25% of mixture to the initial quantity of water is 3 : 4 and when Q liters of water is added to it ratio of total mixture to water becomes 9 : 4. Then find the value of P + Q.Solution
(220 + P)/4P = 3/4
220 + P = 3P
P = 110 liters
And, (110 + Q)/(330 + Q) = 4/9
990 + 9Q = 1320 + 4Q
5Q = 330
Q = 66 liters
Required sum = 176 liters
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