Number Series Questions

Q:

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

 

93, 100, 107, 114, ?, 128

 

A) 120   B) 121  
C) 123   D) 122
 
Answer & Explanation Answer: B) 121  

Explanation:
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Q:

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

 

39, 40, 42, 43, 45, ?

 

A) 47   B) 46  
C) 48   D) 49
 
Answer & Explanation Answer: B) 46  

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Q:

Select the number missing from the given series.

 

15, 20, 18, 23, ?, 26, 24

 

A) 21 B) 28
C) 30 D) 24
 
Answer & Explanation Answer: A) 21

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Q:

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

 

3, 4, 6, 9, 13, ?

 

A) 17 B) 20
C) 18 D) 21
 
Answer & Explanation Answer: C) 18

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Q:

Find out the wrong term in the series 3, 4, 10, 32, 136, 685, 4116

A) 4116 B) 685
C) 136 D) 32
 
Answer & Explanation Answer: D) 32

Explanation:

The correct pattern is *1+1, *2+2, *3+3, *4+4, . . . . .
So,32 is wrong term and must be replaced by (10 * 3 + 3) = 33

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Q:

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

 

4, 5, 8, 9, 12, 13, ?

 

A) 14 B) 16
C) 15 D) 20
 
Answer & Explanation Answer: B) 16

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Q:

Choose the correct alternative that will continue the same pattern and replace 'x' in series 1,2,5,10,25,50,x,250

A) 75 B) 150
C) 125 D) 100
 
Answer & Explanation Answer: C) 125

Explanation:

The pattern is *2,*5/2,*2,*5/2,*2, . . . . .
So missing term is 50*(5/2)=125

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Q:

Choose the correct alternative that will continue the same pattern and replace 'x' in given series 1,2,6,15,31,56,x

A) 65 B) 78
C) 81 D) 92
 
Answer & Explanation Answer: D) 92

Explanation:

The pattern is + 1*1,+ 2*2, +3*3, + 4*4,+ 5*5,+ 6*6, . . . . . . .
So missing term is 56+36=92

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