Two years ago the average age of P, Q, R and S was 30 years. On including A, the average present age of all five is 35 years. Then present age of A is
1
50 years
2
47 years
3
55 years
4
35 years
5
48 years
Two years ago the average age of P, Q, R and S was 30 years. On including A, the average present age of all five is 35 years. Then present age of A is