Find out the wrong number. 88, 54, 28, 13, 5, 2, 2

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB TC CC Exam (Chandigarh) 2008 click here to view all questions

In each of the following questions, one number is wrong in the series. Find out the wrong number.
88, 54, 28, 13, 5, 2, 2

A28

B54

C13

D2

Nithin K ? Mar 13 '2018 at 21:16

Answer is : 54

Explanation:

2 + (1^2 - 1) = 2

2 + (2^2 - 1) = 5

5 + (3^2 - 1) = 13

13 + (4^2 - 1) = 28

Same procedure as follows we get,

28 + (5^2 - 1) = 52

The next term is 52.

so 54 should be replaced by 52

All DiscussionsClick here to write answer

Answer is : 54 Explanation: 2 + (1^2 - 1) = 2 2 + (2^2 - 1) = 5 5 + (3^2 - 1) = 13 13 + (4^2 - 1) = 28 Same procedure as follows we get, 28 + (5^2 - 1) = 52 The next term is 52. so 54 should be replaced by 52 Nithin K ? answered Mar 13 '2018 at 21:16 All Comments

Post your answers here:

Post

Post your comments here:

Message

Post

Cancel