Average weight of three boys P, T and R is $$54\frac{1}{3}$$kg while the average weight of three boys T, F and G is 53kg. What is the average weight of P, T, R, F and G ?

The average weight of the three boys P,T and R is $$54 \frac{1}{3}$$
So, the total weight of the three boys P,T and R is $$3*\frac{163}{3} = 163$$
So, P+T+R = 163

Similarly total weight of T,F and G is 53 kg.
So, the total weight of the three boys T,F and G is $$53*3 = 159$$
So, T+F+G = 159

Therefore, P+R+F+G+2T = 322

We need to find P+T+R+F+G in order to find the average weight of the five boys. However, as we don't know the weight of T, we can't find the average weight of the five boys.

So, the data is inadequate to answer the question.