Average age of P, Q and R is 90 years. When S joins them the average age becomes 86 years. A new person T whose age is 6 years more than S, replaces P and the average of Q, R, S and T becomes 84 years. What is the age of P?
1
88 years
2
90 years
3
99 years
4
95 years
5
None of these