P,Q,R,S, and T are five different integers between 2 and 19 inclusive.
- P is a two-digit prime number whose digits add up to a prime number.
- Q is a multiple of 5.
- R is an odd number, but not a prime number.
- S S is the square of a prime number.
- T is a prime number that is also the mean (average) of P and Q.
Which number is the largest?
Answer Choices
A. P
B. Q
C. R
D. S
E. T