Direction: Study the following information carefully and answer based on it.

Seven children P, Q, R, S, T, U and V have different number of coins. Only P and Q have more coins than S, who has 21 coins. V has 12 coins lees than S. R has 10 coins more than V. U has 1 coin more than T, who has 2 coins more than V. Q has 21 more coins than T. P has a perfect squared number of coins more than 25 but less than 49.