1, 5, 14, 30, 55, 91, ? A. 130 B. 140 C. 150 D. 160

Answer: B.140

1, 5, 14, 30, 55, 91,..

The pattern is: + 4, + 9, + 16, + 25, + 36,…

or + 22, + 32, + 42, + 52, + 62,…..

So in the next term we need to add 72 = 49 to the preceding number.

91 + 49 = 140

Thus, the next number is 140.

 

Was this answer helpful?

 
   

0 (0)

(0)
(0)

Choose An Option That Best Describes Your Problem

Thank you. Your Feedback will Help us Serve you better.

Leave a Comment

Your Mobile number and Email id will not be published. Required fields are marked *

*

*

BOOK

Free Class

Ask
Question