A solution is obtained by mixing three solutions X, Y and Z such that the ratio X : Y is 3 : 2 and the ratio Y : Z is 5 : 7. Find the amount of solution Z in 19.5 litres of the solution.

A solution is obtained by mixing three solutions X, Y and Z such that

1.	A solution is obtained by mixing three solutions X, Y and Z such that the ratio X : Y is 3 : 2 and the ratio Y : Z is 5 : 7. Find the amount of solution Z in 19.5 litres of the solution.
A.	5l
B.	3l
C.	7l
D.	9l
Answer» D. 9l

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A solution is obtained by mixing three solutions X, Y and Z such that the ratio X : Y is 3 : 2 and the ratio Y : Z is 5 : 7. Find the amount of solution Z in 19.5 litres of the solution.

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