16.

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 obtsin anew mixture in vessel C, maintaining half milk and half water?

A) 1 : 1

B) 7 : 5

C) 2 : 4

D) 1 : 3

17.

A mixture contains alcohol and water in the ratio 4 : 3.If 5 litres of water is added to the mixture, the ratio becomes 4 : 5.The quality of alcohol in the given mixture is

A) 10 litres

B) 12 litres

C) 11 litres

D) 15 litres

18.

Two equal glasses fillde with mixture of milk and water in the proportion of 2 : 1 and 1 : 1 respectively are emptied into a third glass.What is the proportion of milk and water in the third?

A) 3 : 7

B) 5 : 7

C) 4 :7

D) 7 : 5

19.

A pot contains 81 litres of pure milk.$\frac{1}{3}$ of milk is replaced by the same amount of water.Again $\frac{1}{3}$ of the mixture is replaced by the same amount of water.Find the ratio of milk to water in the new mixture?

A) 5 : 4

B) 4 : 5

C) 2 : 3

D) 3 : 2

20.

180 kg of mixture of milk and water contains 5% water.How much more water should be added to it that water may be 10% in the mixture?

A) 10 kg

B) 15 kg

C) 20 kg

D) 12 kg

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