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Question

If x:y=8:9 and x:z=6:5, then y:z=

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Solution

Given,
x:y=8:9
or, xy=89
or, yx=98.......(1).
And x:z=6:5
or, xz=65.......(2).
Now multiplying (10 and (2) we get,
yz=2720
or, y:z=27:20.

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