RRB ALP 2014 Ques 8

Question: Direction: In the following number series, one of the numbers does not fit into the series. Find the wrong number.

4, 5, 12, 39, 160, 804, 4836

Options:

A) 12

B) 804

C) 39

D) 4836

Show Answer

Answer:

Correct Answer: B

Solution:

  • The pattern is as follows as: $ 4\times 1+1=5 $ $ 5\times 2+2=12 $ $ 12\times 3+3=39 $ $ 160\times 5+5\ne 804 $ $ 805\times 6+6=4836 $ So, The wrong number is $ =804 $