Father F has 5 sins, P,Q,R,S,T not necessarily in this order. Two are of same age. The eldest and the youngest cannot be twins. T is elder to R and younger to Q and S has three older brothers.

Ques:- Father F has 5 sins, P,Q,R,S,T not necessarily in this order. Two are of same age. The eldest and the youngest cannot be twins. T is elder to R and younger to Q and S has three older brothers.