If A denotes ‘addition’, B denotes

Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.

From which of the following words we get a new meaningful word if we add the prefix ‘Un’?

Select the option that is related to first number in the same way third number is related to fourth number.

45: ? :: 58: 377

E × I : 25 × 81 ∷ K × P : ?

Select the option that is related to the third number in the same way as the second number is related to the first number.

53: 636 :: 51: ?

Hawa Mahal : Jaipur :: Victorial Mahal : (?)

Drake : Duck : : Wizard : ? 

‘Experimenter’ is related to ‘Lab’ in the same way as ‘Chef’ is related to ‘_________’.