Number Series Questions

Q:

Find out the wrong term in the series 2, 5, 10, 50, 500, 5000

A) 5000 B) 500
C) 10 D) 50
 
Answer & Explanation Answer: A) 5000

Explanation:

Each term of the series is the product of the preceding two terms
So, 5000 is wrong and it must be replaced by (500*50) = 25000

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Q:

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

123, 120, 116, 111, ?, 98

 

A) 100 B) 105
C) 99 D) 103
 
Answer & Explanation Answer: B) 105

Explanation:
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Q:

What will come in place of the question mark (?) in the given question?

452 + 312 ÷ 13 = 34 * ?

A) 18 B) 32
C) 26 D) 28
 
Answer & Explanation Answer:

Explanation:

452 + 312 ÷ 13 = 34 * ?

=> 452 + 312/13 = 34 * x

=> 452 + 24 = 34 * x

=> x = 476/34 = 14

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Q:

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

 

52, 41, 32, 25, ?, 17

 

A) 21   B) 20  
C) 18   D) 19
 
Answer & Explanation Answer: B) 20  

Explanation:
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Q:

What will be next number in the series?

 

0, 1, 4, 27, 16, 125, 36, ?

 

A) 343 B) 144
C) 72 D) 25
 
Answer & Explanation Answer: D) 25

Explanation:
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Q:

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

9, 10, 13, 22, 49, ?

A) 117 B) 126
C) 115 D) 130
 
Answer & Explanation Answer: D) 130

Explanation:
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Q:

In the following question, one term in the number series is wrong. Find out the wrong term?

5, 10, 40, 80, 320, 550, 2560

A) 80 B) 320
C) 550 D) 2560
 
Answer & Explanation Answer: C) 550

Explanation:
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Q:

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

 

3, 5, 7, 11, 13, ?

 

A) 19 B) 21
C) 17 D) 29
 
Answer & Explanation Answer: C) 17

Explanation:
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