16. Four persons P, Q, R and S are working in the same company. The sum of the incomes of P and Q is more than that of R and S together. The sum of the incomes of P and R is the same as the sum of the incomes of Q and S. Moreover, P earns half as much as the sum of the incomes of Q and S. Which one of the following persons has the highest income ?

1. P

2. Q

3. R

4. S

Correct Answer :