Wrong Number Series Quiz With Explanation | Questions and Answers

wrong number series: wrong number series refers to a sequence of numbers where one or more numbers do not follow the sequence. In a regular number series, there is a logic or mathematical operation applied to each number to obtain the next number in the sequence. This concept is used in aptitude tests, and competitive exams like IBPS, SSC, Railway etc. The challenge for the person solving the series is identifying the error or the wrong number and finding the correct pattern.

Wrong Number Series Practice Quizzes

Wrong Number Series Quiz 1

Wrong Number Series Quiz 2 – Coming Soon

Wrong Number Series Quiz 3 – Coming Soon

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How Do You Solve Wrong Number Series Problems?
Here are some expert strategies for answering erroneous number series problems within the time limit.

• Solve a wide range of questions on the subject. Here you can practice erroneous number series sample tests.
• Make a comprehensive list of all conceivable types and practice them.
• Try to answer all questions mentally, and consult hints if you are unable to do so swiftly.
• Take the prior year’s test several times.

Example Questions and Answers

Q1) Which number is wrong in the following number series?

344, 217, 126, 63, 28, 9, 2

1. 344
2. 217
3. 63
4. 9
5. 28

Solution:
Wrong number = 63
Here the pattern is:

Q2) Which number is wrong in the following number series?

2, 6, 12, 20, 30, 45, 56

1. 6
2. 12
3. 20
4. 30
5. 45

Solution:
Wrong number = 45
Here the pattern is:
2+4 = 6
6+6 = 12
12+8 = 20
20+10 = 30
30+12 = 42
42 + 14 = 56

 

Q3) Which number is wrong in the following number series?

157, 201, 245, 289, 332, 377, 421

1. 377
2. 332
3. 289
4. 245
5. 157

Solution:
Wrong number = 332
Here the pattern is:
157+44 = 201
201+44 = 245
245+44 = 289
289+44 = 333
333+44 = 377
377 + 44 = 421.

 

Q4) Which number is wrong in the following number series?

64, 34, 36, 56, 114 , 287, 860

1. 114
2. 860
3. 64
4. 36
5. 56

Solution:
Wrong number = 860.
Here the pattern is

Q5) Which number is wrong in the following number series?

49, 100, 202, 406, 814, 1633, 3262

1. 100
2. 3262
3. 406
4. 814
5. 1633

Solution:
Wrong number = 1633
Here the pattern is:
49×2+2 = 100
100×2+2 = 202
202×2+2 = 406
406×2+2 = 814
814×2+2=1630
1630 ×2+2=3262

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Q6) Which number is wrong in the following number series?
9, 14, 29, 54, 89, 134, 179

1. 1. 9
   2. 134
   3. 179
   4. 29
   5. 89

Solution:

Q7) Which number is wrong in the following number series?
1, 3, 7, 22, 89, 446, 2677

1. 2677
2. 22
3. 89
4. 1
5. 446

Solution:

Q8) Which number is wrong in the following number series?

5, 8, 17, 24, 39, 48, 65

1. 8
2. 48
3. 65
4. 5
5. 39

Solution:

Q9) Which number is wrong in the following number series?
32, 64, 16, 96, 12, 120, 8

1. 64
2. 96
3. 8
4. 120
5. 32

Solution:

Q10) Which number is wrong in the following number series?
17, 21, 26, 33, 44, 57, 74

1. 17
2. 26
3. 44
4. 74
5. 57

Solution:

I hope you find the information provided here helpful in answering erroneous number series questions in upcoming tests. Continue to work hard for that Banking Job. You’ve got this.

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