129+ Number Series Questions and Answers

Q:

Choose the alternative that will continue the same pattern and replace 'x' 33,40,37,44,x

A) 41	B) 31
C) 42	D) 39

Answer & Explanation Answer: A) 41

Explanation:

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4 5252

Q:

Choose the correct alternative that will continue the same pattern and replace 'x' in series 6,18,42,78,x

A) 84	B) 126
C) 96	D) 108

Answer & Explanation Answer: B) 126

Explanation:

The pattern is +12,+24,+36,+48, . . . .
So,missing term=78+48=126

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2 5187

Q:

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

79, 159, 199, 219, ?

A) 229	B) 234
C) 239	D) 222

Answer & Explanation Answer: A) 229

Explanation:

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Exam Prep: Bank Exams

2 5176

Q:

3, 6, 17.5, 64.75, ?

A) 304.587	B) 295.875
C) 115.246	D) 101

Answer & Explanation Answer: B) 295.875

Explanation:

3

3 x 1.5 + 1.5 = 6

6 x 2.5 + 2.5 = 17.5

17.5 x 3.5 + 3.5 = 64.75

64.75 x 4.5 + 4.5 = 295.875

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Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

24 5141

Q:

Find out the wrong term in the series 4,8,15,25,36,54

A) 28	B) 38
C) 30	D) 48

Answer & Explanation Answer: B) 38

Explanation:

The correct pattern is +4,+7,+10,+13,+16
So, 36 is wrong term and it must be replaced by 25+13=38

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5 5017

Q:

In the following question, various terms of an alphanumerical series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. P3C, R5F, T8I, V12L, ?

A) X17M	B) X16O
C) X17O	D) Y17O

Answer & Explanation Answer: C) X17O

Explanation:

The first letters of the terms are alternate.
The sequence followed by the numbers is +2, +3, +4,....
The last letter of is three steps ahead of the last letter of the preceding term.

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8 4968

Q:

Find the next number in the series 265, 269, 278, 284, ?

A) 309	B) 319
C) 298	D) 415

Answer & Explanation Answer: A) 309

Explanation:

The pattern in the given series is +4, +9, +16, +25, ... i.e. $2^{2}, 3^{2}, 4^{2}, 5^{2} . . .$

The next number is 284+25 = 309.

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Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

9 4935

Q:

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. CMW, HRB, ?, RBL, WGQ, BLV

A) WMX	B) MWG
C) LVF	D) LWG

Number Series Questions

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