Sawaal
8
Q:

Find the next number in the given number sequence?

9, 19, 21, 43, 45, ...

A) 88 B) 54
C) 91 D) 49

Answer:   C) 91



Explanation:

The given number series 9, 19, 21, 43, 45, ... follows a pattern that

ALternately (x 2 + 1) and  (x 1 + 2)

9 

9 x 2 + 1 = 19

19 x 1 + 2 = 21

21 x 2 + 1 = 43

43 x 1 + 2 = 45

45 x 2 + 1 = 91

 

Hence, the next number in the given sequence is 91.

Subject: Number Series
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO
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