Directions: Read the following information carefully and answer the given questions:

Nine persons M, N, O, P, Q, R, S, T, and U were born on the same date and same month of nine different years viz. 1973, 1975, 1981, 1982, 1985, 1990, 1993, 1998, and 2014 but not necessarily in the same order. The calculation of their age is based on the year 2023.

P’s age is a perfect square number. Q is five years elder than S. U is three years elder than Q. N was born in a prime-numbered year. N is elder than T. O was born in the year 1981. T was born before P but not immediately before. The age gap between T and M is 7 years. R was not born immediately after T.