Directions: Study the following information and answer the given questions.

Eight persons P, Q, R, S, T, U, V, and W have their birthdays on either 6th or 18th of four different months, i.e. March, April, May and June not necessarily in the same order. P has a birthday on 6th of a month having 31 days. Only one person has a birthday before Q. The Number of person between P and Q is one less than the number of person between Q and W. R and S have their birthdays in the same month having 30 days, but not in April. U’s birthday is after V’s. Only three persons have birthdays between Q and T. R has the birthday before S.