Solve the following expression and calculate the

Select the set in which the numbers are related in the same way as are the numbers of the following sets.

What will come in the place of '?' in the following equation, if '+' and - ' are interchanged and '×' and '÷' are interchanged?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. 

OP, ON, MN, ML, ? 

Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.

What letter will come in place of question mark?

B F Q

U C A

M ? H

What is the median of 5, 2, 7, 8, 1 and 4?

In a certain code language, ‘ZERO’ is coded as ‘2468’ and ‘OILY’ is coded as ‘5679’.

Complete the series by replacing the question mark (?).

Q331T, U442X, Y553A, ?