Direction: Read the following information and answer the questions given below it:
Six students A, B, C, D, E and F are sitting in the field. A and B are from Nehru House while the rest belong to Gandhi House. D and F are tall while the others are short. A, C and D are wearing glasses while the others are not.

Which tall student of Gandhi House is not wearing glasses?

B is father of Q. B has only two children. Q is the brother of R. R is the daughter of P. A is the granddaughter of P. S is the father of A. How is S related to R?

Calendar of 1991 could be used again? 

Karnataka: Gold:: Madhya Pradesh: ?

If 9 θ 11 α 2 = 40 and 13 θ 12 α 3 = 75, then 40 θ 41 α 5 = ?

In the following series find the missing numbers.
21, 26, 33, 42, 53,?

Choose the correct option from the following options.
AZYB : CXWD ∷ BYWD :?

In the following question find out the missing number?