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

X Y W Z

X

X  >  Z         –––    (i) Z  >  Y         –––    (ii) Z  >  W        –––    (iii) X  >  W        –––    (iv) Order will be: X  >  Z  >  W  >  Y (Or) X  >  Z  >  Y  >  W But in both cases X is the eldest.