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Question

80 litres of a mixture of spirit and water in the ratio 7 : 9 is present in a container
A. 20 litres of the mixture is transferred to another container
B. Then the container A is filled with 20 litres of water. Then 32 litres of the mixture is again transferred to container
B. The ratio of water to spirit of the mixture in container B is equal to:

A 87 : 41

B 131 : 77

C 77:131

D 41 : 87

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