The following equation is incorrect. Which two signs should be interchanged to correct the equation?
12 + 10 - 28 ÷ 7 x 4 = 48

In a certain code language, PINK is written as GREEN, GREEN is written as YELLOW, YELLOW is written as RED, RED is written as WHITE and WHITE is written as INDIGO, then in the same code language what is the colour of BLOOD?

Find the odd word from the following:

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?

In the following question, select the related number from the given alternatives.
328: 4:: 366: ?

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?

Calendar of 1991 could be used again? 

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