Directions : Answer the questions on the basis of the information given below.

There are 8 friends – P, Q, R, S, L, M, N and O who have their birthdays in four months – March, June, September and October on either 13th or 22nd of the month.
M has his birthday on 13th of a month having 30 days. P and S have their birthday in same month with P having birthday before. There are two people who have birthdays between P and Q. R’s birthday is in June. O has his birthday on 22nd of a month. L does not have his birthday on 13th. N does not have his birthday in March.