Among five persons A, B, C, D and E, who are of different ages, A is younger than only D and E. E is younger than D and older than B. C is the youngest. Who is the fourth oldest?

B

A, B, C, D and E

1) A is younger than D and E only

D/E> E/D> A> _> _

2) E is younger than D and older than B

3) C is the youngest

So, D> E> A> B> C

therefore, B is the fourth oldest person