Verbal Reasoning - Mental Ability Questions

Introducing a man, a woman says, "His son's mother is the only daughter of my mother". How is the man related to the woman?

Pointing to a boy in a photograph, Neena said, "He is the son of my grandmother's only daughter". How is Neena related to the boy?

Find the odd word/letters/number pair from the given alternatives.
(A) 24
(B) 49
(C) 64
(D) 81

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?
J_J_L_KL_JK_MN

Select the related word/letters/number from the given alternatives.
Luminous intensity : Candela : : Pressure : ?

Resolution : Determination :: Consensus : ___.

Pointing towards a boy, a girl says, "He is the only son of my mother's brother". How is the girl related to the boy ?

Choose the odd one from the following: