Aayushi correctly rembers that her father's birthday is before 16th June but after 11 th June whereas her younger sister correctly remembers that their father's birthday is after 13th June but before 18th June and her elder brother correctly remembers that their fathers birthday is on an even date. On what date in June is definitely their fathers birthday ?

In a column of thirty boys, R is eighth from the end and T is twelfth from the front. If there are six boys between T and Q, how many boys are there between R and Q ?

How many such pairs of digits are there in the number 59126874 each of which has as many digits between them in the number as when the digits are rearranged in descending order among them within the number ?

Direction (Q. 6 - 10): Study the following information carefully and answer the questions given below:
P, Q, R, S, T, U, V, W and X are nine persons sitting in a circle facing the centre. S is fourth to the right of P and second to the left of V. R is second to the right of V and third to the left of X. U is fourth to the right of W. Q is not an immediate neighbour of P or V.