Question 71

If X : Y = 7 : 5 and Y : Z = 7 : 11, then what is the ratio of X : Y : Z?

Solution

Given, X : Y = 7 : 5 and Y : Z = 7 : 11
Multiplying X : Y by 7 and Y : Z by 5
Then, X : Y : Z = 49 : 35 : 55

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