# X is elder than Z, Y is younger than Z, Z is elder than W :

X is elder than Z, Y is younger than Z, Z is elder than W, W is younger than X, who is the eldest?

(a) X

(b) Y

(c) W

(d) Z

**Answer: (a) X **

**Explanation:-**

X is elder than Z, Y is younger than Z, Z is elder than W, W is younger than X,

Then, X > W > Z > Y

So, X is the eldest.

Hence, the correct answer is option (a) X.