Verbal Reasoning - Mental Ability Questions

A woman pointing to a man said, "He is the widower of my uncle's brother's daughter." How is the man related to the woman?

Which of the following diagrams correctly represents elephants, wolves, animals?

If "K" denotes "multiplied by", "M" denotes "subtracted from", "J" denotes "added to" and "L" denotes "divided by", then
44 M 24 K 56 L 14 J 60 = ?

In the following question, select the related number from the given alternatives.
65 : 82 : : 145 : ?

Select the related word/letters/number from the given alternatives.
17: 71 :: 35: ?

Select the related word/letters/number from the given alternatives.
Nephrology : Kidney : : Ichthyology : ?

If "#" means "subtraction", "&" means "division", "@" means "addition" and "%" means "multiplication", then 505 & 5 # 4 @ 20 % 5 = ?

Introducing a woman, Anjali says, "She is the wife of my daughter's only brother". How is the girl related to Anjali?