Verbal Reasoning - Mental Ability Questions

Introducing a woman, a boy says, "She is the wife of my grandfather's son". How is the woman related to the boy?

In each of the following questions, four words have been given out of which three are alike in some manner, while the fourth one is different. Choose the word which is different from the rest.

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

P_P_RPQ_S_Q_ST

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. 12, 60, 240, 720, ?

What number should come in place of ?

X and Y start from the same point. X walks 40 m north, then turns West and walks 80 m, then turns to his right and walks 50 m. At the same time, Y walks 90 m North. Where is Y now with respect to the position of X?

Which of the following terms follows the trend of the given list? abABABAB, ABabABAB, ABABabAB, ABABABab, abABABAB, _______________

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
CEG, IKM, OQS, ?