Sawaal
5
Q:

Find the wrong number in the given number series?

10, 21, 54, 109, 189

A) 189 B) 109
C) 54 D) 21

Answer:   A) 189



Explanation:

The given number series is 10, 21, 54, 109, 189

The series follows a pattern that

10 + 11 = 21

21 + 33 = 54

54 + 55 = 109

109 + 77 = 186

 

Hence the wrong number in the given number series is 189.

Subject: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO
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