question_answer

Directions: In the following questions a number series is given. Only one number is wrong which does not fit in the series? Find that number.                                                                                               [IBPS (PO/MT) 2014]

7, 4, 5, 9, 20, 51.5, 160.5

A) 9                                 

B) 20    

C) 51.5     

D) 160.5

E) 5

Correct Answer: C

Solution :

Pattern of series is as

Hence, number 51.5 is wrong, it must be replaced with 52.5.