Among five friends Aman, Baman, Chaman, Karan and Tapan, Chaman is older than only one friend. Tapan is older than Karan. Only two persons are older than Karan. Baman is older than Tapan. Who is the youngest among all the friends?

Aman

Aman, Baman, Chaman, Karan, Tapan

1) Chaman is older than only one friend

So, _> _> _> Chaman> _

2) Only two friends are older than Karan

 So, _> _> Karan> Chaman> _

3) Tapan is older than Karan

4) Baman is older than Tapan

So, Baman> Tapan> Karan> Chaman> _

And, Aman is the youngest among all, because only last place is left for Aman

So, Aman is the youngest among all friends