question_answer

Direction: Replace the question mark with the correct option in each of the question from.

18, 10, 6, 4, 3,?

A) 8                      

B)        2

C) 3.5                      

D)       2.5

E) None of these

Correct Answer: D

Solution :

Explanation Option [d] is correct. The difference between the numbers is reduced by half at each step.