Directions: Each of the following questions consists of 3 statements I, II, and III. You have to determine which of the following statement/statements is/are sufficient/necessary to answer the question.
What is the sum of the age of P and R?
I. Age of Q is 20% less than R.
II. R is two years older than P and the present age of Q is 20 years.
III. The present age of S is 3 years more than P.
1
Only statement I
2
Statement I and II
3
All statement I, II and III
4
Only statement II
5
Statement II and III