Milk and water are in 7:2 ratio in a mixture of 729 litres. How much w – McqOptions

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1.	Milk and water are in 7:2 ratio in a mixture of 729 litres. How much water shall be mixed in it in order to change this ratio to 7:3?
A.	81
B.	72
C.	45
D.	56
Answer» B. 72

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