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 Number Series Questions

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Q:

Find out the wrong term in the series 2, 3, 4, 4, 6, 8, 9, 12, 16

A) 9 B) 12
C) 16 D) 8
 
Answer & Explanation Answer: A) 9

Explanation:

The given sequence is a combination of three series:
i)1st, 4th, 7th terms i.e, 2, 4, 9
ii)2nd, 5th, 8th terms i.e, 3, 6, 12
iii)3rd, 6th, 9th terms i.e, 4, 8, 16
In each one of i, ii, iii, each term is twice the preceding term.
So, 9 is wrong and must be replaced by (4*2) = 8

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407 37442
Q:

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

 

12, 17, 34, ?, 78, 83, 166

 

A) 36 B) 33
C) 39 D) 45
 
Answer & Explanation Answer: C) 39

Explanation:
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1 37244
Q:

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

63, 56, 50, 43, 37, 30, ?

A) 23 B) 24
C) 29 D) 21
 
Answer & Explanation Answer: B) 24

Explanation:
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0 37059
Q:

Which number will fit both the series of numbers?

Series A : 1, 4, 9,...
Series B : 1, 8, 27,...

 

A) 42 B) 36
C) 64 D) 25
 
Answer & Explanation Answer: C) 64

Explanation:
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4 36890
Q:

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

 

131, 138, 145, 152, ?, 166

 

A) 161 B) 163  
C) 157 D) 159
 
Answer & Explanation Answer: D) 159

Explanation:
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2 36782
Q:

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

 

87, 62, 42, 27, 17, ?

 

A) 7   B) 12  
C) 8   D) 10
 
Answer & Explanation Answer: B) 12  

Explanation:
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4 36721
Q:

Find the missing (?) in the series.


9, 4, 16, 6, 36, 9, 81, ?

 

 

A) 12 B) 10
C) 11 D) 13
 
Answer & Explanation Answer: D) 13

Explanation:
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7 36708
Q:

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

 

64, 75, 86, 97, ?, 119

 

A) 118 B) 108
C) 98 D) 109
 
Answer & Explanation Answer: B) 108

Explanation:
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2 36683