Verbal Reasoning - Mental Ability Questions

If 6@1 = 12, 6@2 = 24 and 9@9 = 162, then find the value of 4@6 = ?

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
ZXV , USQ , PNL , ?

A boy says to a girl, "Your father's wife is the only daughter of my maternal grandmother." How is the boy related to the girl?

'A' is the sister of 'B'. 'B' is married to 'D'. 'B' and 'D' have a daughter 'G'. How is 'G' related to 'A'?

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

BXM, EUP, HRS, ?

If QUICKLY is coded as OSGAIJW, then how will HUE be coded as?

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

CD, FA, IX, LU, ?

Pointing towards a boy Meera said 'He is the son of the only son of my grandfather.' How is that boy related to Meera?