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In three numbers, X,Y and Z, two times o...

In three numbers, X,Y and Z, two times of X is equal to three times of Y. and four times of Y is equal to five times of Z. What is the ratio of X, Y and Z ?

A

`5:4:3`

B

`15:12:7`

C

`15:10:8`

D

`5:3:1`

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