Mixtures and Allegations

In what proportion must water be added to spirit to gain 20% by selling it at the cost price?

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A. 2:5
B. 1:5
C. 3:5
D. 4:5

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How much water must be added to a bucket which contains 40 liters of milk at the cost price of Rs.3.50 per liter so that the cost of milk reduces to Rs.2 per liter?

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A. 25 liters
B. 28 litres
C. 30 liters
D. 35 liters

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Milk and water in two vessels A and B are in the ratio 4:3 and 2:3 respectively in what ratio the liquids in both the vessels should be mixed to obtain a new mixture in vessel C containing half milk and half water?

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A. 1:1
B. 1:3
C. 1:2
D. 7:5

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