Verbal Reasoning - Mental Ability Questions

Anuj's daughter's mother — Anuj's wife ;

Anju's wife's father - Anuj's father-in-law; 

Father-in-law's son — Anuj's brother-in-law

So, Manish is Anuj's brother-in-law 

Given,

A + B = 2C ----(i)

C + D = 2A----(ii)

Adding (i) and (ii) we get : A + B + C + D = 2C + 2A  

=>  B + D = A + C

Zenith means the time at which something is most powerful and Nadir means the lowest or most unsuccessful point in a situation. Both words are opposite to each other.

Genuine means authentic and phony means fraudulent or not genuine. Both are also opposite in meaning.

Zenith : Nadir :: Genuine : Phony

Because the letters are the same, concentrate on the number series, which is a simple 2, 3, 4, 5, 6 series, and follows each letter in order.