Verbal Reasoning - Mental Ability Questions

B is the brother of A, and A is the son of C. D is C's father. How is B related to D?

Which of the following terms follows the trend of the given list? abABABAB, ABabABAB, ABABabAB, ABABABab, abABABAB, _______________

In the following question, select the related number from the given alternatives.
4 : 17 : : 7 : ?

In a certain code language, "NATURE" is written as "TANURE". How is "LISTEN" written in that code language?

Select the related word/letters/number from the given alternatives. 456 : 15 :: 789 : ?

In the following question, select the related word from the given alternatives.
Calendar : Date : : Index : ?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then

12 V 3 M 441 L 21 S 8 = ?

Arrange the following words as per order in the dictionary.
1. Incompatible
2. Incomparable
3. Incongruous
4. Inconsistent