Both the Guptas and Sinhas have two young sons, whose ages are under Eleven. The names of the boys, whose ages rounded off to the nearest year are all different, are Rajesh,Praveen, Lalith and Prathap. Taking the ages of the boys only to the nearest year, the following statements are true:-
Rajesh is three years younger than his brother is.
Praveen is the oldest.
Prathap is 5 years older than the younger Sinha's boy.
Lalith is half as old as one of the Guptha's boys.
The total ages of the boys in each family differ by the same amount today as they did five years ago.