A. 2
B. 3
C. 5
D. 6
X:Y:Z=2:3:4
X=4
Then, Y=6, Z=8 XY=kZ 4*6=k*8 8k=24 k=3
Y=12, Z=8
X*12=3*8
X=2
Correct Answer: A. 2 ✔
Last Updated: February 07, 2020
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