Verbal Reasoning - Mental Ability Questions

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.

If A = 1, AND = 19, then ANT = ?

If RESEARCH is $#!#%$&@ then SCARE is

If 17 + 17 = 2895 18 + 18 = 3245 19 + 19 = 3615 then 23 + 23 = ?

In the following question, select the related letters from the given alternatives.
DJLQ : WQOJ : : DMSW : ?

Introducing a man, a woman said that, "He is the son of my mother's brother's father's son." Then how  is the woman related to the man?

If L denotes 'x', M denotes '÷' , P denotes '+' and Q denotes '-'  then 16P24M8Q6M2L3

Find the next term in the following series. Z26, X24, V22, .........