21
Q:

Find out the wrong term in the series 3, 7, 15, 39, 63, 127, 255, 511

A) 39 B) 255
C) 127 D) 63

Answer:   A) 39



Explanation:

The correct pattern is *2+1
So, 39 is wrong and must be replaced by (15 * 2 + 1) = 31

Subject: Number Series
Q:

In the following question, select the missing number from the given series.


1, 3, 5, 7, ?

 

A) 9 B) 11
C) 10 D) 12
 
Answer & Explanation Answer: A) 9

Explanation:
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Filed Under: Number Series
Exam Prep: Bank Exams

19 3909
Q:

In the following question, select the missing number from the given series.


964, ?, 241, 120.5, 60.25

 

A) 482 B)  384
C)  396 D) 424
 
Answer & Explanation Answer: A) 482

Explanation:
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Filed Under: Number Series
Exam Prep: Bank Exams

17 4599
Q:

In the following question, select the missing number from the given series.


24, 26, 28, ?, 32, 34

 

A) 29 B) 30
C) 31 D) 36
 
Answer & Explanation Answer: B) 30

Explanation:
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Filed Under: Number Series
Exam Prep: Bank Exams

4 3819
Q:

In the following question, select the missing number from the given series.


9, 11, 14, 16, 19, 21, ?

 

A) 24 B)  26
C) 25 D) 27
 
Answer & Explanation Answer: A) 24

Explanation:
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Filed Under: Number Series
Exam Prep: Bank Exams

10 3655
Q:

Choose the correct alternative which will complete the following series:

 

21, 55, 19, 50, 17, 45, ?

 

A) 12 B) 14
C) 13 D) 15
 
Answer & Explanation Answer: D) 15

Explanation:
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Filed Under: Number Series
Exam Prep: Bank Exams

12 5369
Q:

In the following question, select the missing number from the given series.

 

13, 17, 26, 42, 67, ?

 

A) 103   B) 91
C)  109   D) 111
 
Answer & Explanation Answer: A) 103  

Explanation:
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Filed Under: Number Series
Exam Prep: Bank Exams

11 4398
Q:

Select the correct option will complete the given number series.

 

13, 10, 7, 4, ___

A) 3 B) 4
C) 1 D) 2
 
Answer & Explanation Answer: C) 1

Explanation:
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Filed Under: Number Series
Exam Prep: Bank Exams

5 2430
Q:

In the following question, select the missing number from the given series.

 

7, 11, 15, 19, 23, ?

 

A)  29   B)  30  
C) 27   D) 31
 
Answer & Explanation Answer: C) 27  

Explanation:
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Filed Under: Number Series
Exam Prep: Bank Exams

9 4511