Verbal Reasoning - Mental Ability Questions

Select the related word/letters/number from the given alternatives. E : V : : D : ?

‘R + S’ means ‘R is mother of S’, ‘R – S’ means ‘R is wife of S’, ‘R × S’ means ‘R is son of S’ and ‘R ÷ S’ means ‘R is father of S’. Which of the followingrepresents K as the grandson of T?

In the following question, select the related letters from the given alternatives.
ELQZ : AJOV : : VXTD : ?

In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.

3 ÷ 12 - 40 + 5 x 20 = ?

If "A" denotes "multiplied by", "B" denotes "subtracted from", "C" denotes "added to" and "D" denotes "divided by", then

8 B 31 C 49 D 7 A 16 = ?

If I=9 and SLIP=56, then FALL= ?

Select the related word/letters/number from the given alternatives.
ACE : HJL:: LNP : ?

Johnny's father is the brother­in­law of Nisha's only sister. How is Johnny related to Nisha?