question_answer

Direction: What will come in place of the question mark (?) in the following number series?

24         12         ?           18         36         90

A)  15                               

B)  12       

C)  10.5                            

D)  11          

E)  18

Correct Answer: B

Solution :

    The series is \[\times \,0.5,\times 1,\times 1.5,\times \,2,\,\times 2.5,\,...\]