Verbal Reasoning - Mental Ability Questions

A man pointing to a photograph says, 'The lady in the photograph is my nephew's maternal grandmother." How is the lady in the photograph related to the man's sister who has no other sister ?  

Find out the wrong term in the series 2, 5, 10, 50, 500, 5000

Select the related number from the given alternatives.

60 : 15 :: 100 : ?

Select the related word/letters/number from the given alternatives.

OFFICIAL : QHHKEKCN : : LANGUAGE : ?

Choose the related word/letters/number from the given alternatives.

CAR : RAC : : TYRE : ?

If '+' means x, '-' means /, 'x' means + and '/' means -, compute the value of the expression

17 + 6 x 13 / 8

If 'A $ B' means 'A is brother of B', 'A @ B'means 'A is wife of B', 'A # B' means 'A is daughter of B' and 'A & B'means 'A is father of B', then which of the following expressions indicates the relationship 'K' is father-in-law of H'? 

Select the related word/letters/numbers from the given alternatives:

Money : Poverty : : Education: ?