1.

8 litres are drawn from a flask containing milk and then filledwith water. The operation is performed 3 more times. Theratio of the quantity of milk left and total solution is 81/625.How much milk the flask initially holds?

A. 10 ltr
B. 20 ltr
C. 30 ltr
D. 40 ltr
Answer» C. 30 ltr


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