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 Number Series Questions

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Q:

Choose the correct alternative that will continue the same pattern and replace the 'x' in the series 6,12,21,x,48

A) 42 B) 30
C) 33 D) 45
 
Answer & Explanation Answer: C) 33

Explanation:

the pattern is +6,+9,+12,+15
the missing term is 21+12=33

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9 8989
Q:

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

 

13, 16, 20, 23, 27, ?

 

A) 30   B) 29  
C) 31   D) 33
 
Answer & Explanation Answer: A) 30  

Explanation:
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Exam Prep: Bank Exams

1 8864
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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20 8755
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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8 8698
Q:

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

 

113, 116, 119, 122, 125, ?

 

A) 128 B) 126
C) 129   D) 130
 
Answer & Explanation Answer: A) 128

Explanation:
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Exam Prep: Bank Exams

5 8647
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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12 8504
Q:

Choose the missing terms out of the given alternatives ejo, tyd, ins, xch, ?

A) mrw B) nrw
C) nsx D) nsw
 
Answer & Explanation Answer: A) mrw

Explanation:

There is a gap of 4 letters between the first and second, second and third letters of each term, and also between the last letter of the term and first letter of next term

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29 8164
Q:

Find the wrong number from the following series ?
37   47    52    67    87    112    142

A) 87 B) 47
C) 52 D) 67
 
Answer & Explanation Answer: B) 47

Explanation:

The given series follows the rule,
+(5x1), +(5x2), +(5x3), +(5x4), +(5x5),....

So starting from 37, 37 + 5 = 42, 42 + 10 = 52, 52 + 15 = 67, 67 + 20 = 87,...
So wrong number is 47 which is to be 42.

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