If ax=b, by=c and cz=a, then the value of xyz is-
A
2
B
abc
C
1/abc
Correct Answer: 2
From ax = b, we get x =b/a -------------------------- (i)From by = c, we get y =c/b ---------------------------(ii)From cz = a, we get z = c/a ---------------------------(iii)Multiplying the left hand sides and right hand sides of (i), (ii) and (iii) we getxyz = (b/a) x (c/b) x (c/a)When we simplify, we find that xyz=1.