Verbal Reasoning - Mental Ability Questions

In a family, there are six members A, B, C, D, E and F. 

A and B are a married couple, A being the male member. D is the only son of C, who is the brother of A. E is the sister of D. B is the daughter-in-law of F, whose husband has died.  Who is C to B ? 

 I. A. B, C. D, E and F are six members of a family. 

 II. One couple has parents and their children in the family. 

 III. A is the son of C and E is the daughter of A. 

 IV. D is the daughter of F who is the mother of E. 

 Which of the following pairs is the parents of the couple ? 

Introducing a man, a woman said, 'He is the only son of my mother's mother." How is the woman related to the man ?  

How many meaningful English words can be formed with the letters ESRO using each letter only once in each word?

Replace # sign with the mathematical operators '+', '/','-'or'=' to get a balanced equation out of 186 # 31 # 36 # 30.

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

Pernicious : Lethal : : Indict : ?

From the given words, select the word which cannot be formed using the letters of the given word.

ORDINALS

In a certain code language, 'it is dark outside' is written as 'ha no ti ju','is it still raining' is written as 'pa ha da no', 'go and play outside' is written as 'su ju ye la'. How is 'dark' written in that code language?