Number Series Questions

Q:

What should come in place of the question mark (?) in the following number series?

8, 6, 9, 23, ?

A) 53 B) 145
C) 110 D) 75
 
Answer & Explanation Answer:

Explanation:

Given number 8, 6, 9, 23, ?

 

The pattern of given series is:

 

8 x 1 - 2 = 6 6 x 2 - 3 = 9 9 x3 - 4 = 23 23 x4 - 5 = 87

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0 23748
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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28 23703
Q:

Next number in the given series is

9 7 10 6 11 ?

A) 5 B) 4
C) 13 D) 15
 
Answer & Explanation Answer: A) 5

Explanation:

The given number series is 9 7 10 6 11 ?

Here in this we have two number sequences, they are

9, 10, 11, ... and 7, 6, 5, ...

Hence, the next number in the given number series is 6 - 1 = 5.

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3 23103
Q:

Complete the number series?

11, 12.2, 14.6, 18.2, ?

A) 21.8 B) 23
C) 24.6 D) 25
 
Answer & Explanation Answer: B) 23

Explanation:

The given number series 11, 12.2, 14.6, 18.2, ?

11

11 + 1.2 = 12.2

12.2 + 2.4 = 14.6

14.6 + 3.6 = 18.2

18.2 + 4.8 = 23

 

Hence, the next number in the given number series is 23.

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8 22953
Q:

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

67, 80, 93, ?, 119, 132

 

A) 108 B) 106
C) 114 D) 112
 
Answer & Explanation Answer: B) 106

Explanation:
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6 22902
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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Q:

Choose the correct alternative which will complete the following series.

 

4, 8, 12, 24, 18, ?

 

A) 54 B) 72
C) 27 D) 36
 
Answer & Explanation Answer: D) 36

Explanation:
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4 22591
Q:

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

 

42, 21, 21, ?, 63, 157.5

 

A) 30.75 B) 32.5
C) 31.5 D) 33.75
 
Answer & Explanation Answer: C) 31.5

Explanation:
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