{"id":151797,"date":"2025-06-05T18:11:47","date_gmt":"2025-06-05T12:41:47","guid":{"rendered":"https:\/\/www.practicemock.com\/blog\/?p=151797"},"modified":"2025-06-05T18:20:01","modified_gmt":"2025-06-05T12:50:01","slug":"wrong-number-series-for-rrb-clerk-know-pattern-types-and-tips-to-solve","status":"publish","type":"post","link":"https:\/\/www.practicemock.com\/blog\/wrong-number-series-for-rrb-clerk-know-pattern-types-and-tips-to-solve\/","title":{"rendered":"Wrong Number Series for RRB Clerk 2025, Know Pattern, Types, and Tips to Solve"},"content":{"rendered":"
Home<\/a><\/span> \u00bb IBPS RRB Clerk<\/a><\/span> \u00bb Wrong Number Series for RRB Clerk 2025<\/span><\/span><\/div>\n\n\n

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Are you preparing for the RRB Clerk 2025 exam? Then do not miss out on the Wrong Number Series questions! These are asked often in the Quantitative Aptitude section and are one of the easiest ways to get 5 marks quickly. If you understand the pattern well. In these questions, a series of numbers is given, but one number is wrong. You have to find the number that doesn\u2019t fit. It may sound tricky, but with the right tricks and practice, you can solve these in under within minute each! Read this blog till the end to know what type of wrong series question was asked in the exam and how to solve it with accuracy. <\/p>\n\n\n\n

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Click Here to Attempt RRB Clerk Free Mock Test <\/strong><\/a><\/div>\n<\/div>\n\n\n\n

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What Is Wrong Number Series?<\/strong><\/h2>\n\n\n\n

In a wrong number series, you are given a group of numbers that follow a specific pattern, like adding, multiplying, or using squares, but one number doesn\u2019t follow the rule. Your task is to spot the number that breaks the pattern. It tests your number sense, speed, and pattern recognition skills, which are very important in banking exams like the RRB Clerk.<\/p>\n\n\n\n

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Importance of Wrong Number Series in RRB Clerk 2025<\/strong><\/h2>\n\n\n\n

Wrong number series is a high-scoring topic in the Quant section of the RRB Clerk Prelims. In most shifts, 5 questions are asked on this topic in a single set. Since you only have 20 minutes to solve 40 questions, solving this set quickly helps save time for tougher topics. These questions are based on basic math and patterns, no tough calculations are needed. So you can solve them easily with daily practice.\u00a0\u00a0<\/p>\n\n\n\n

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Types of Wrong Number Series You Should Know<\/strong><\/h2>\n\n\n\n

Here are the most common types of number series that appear in the exam:<\/p>\n\n\n\n

1. Arithmetic Series<\/h3>\n\n\n\n

Each number increases or decreases by the same amount.
Example: 2, 5, 8, 11 (Add 3 each time)<\/p>\n\n\n\n

2. Geometric Series<\/h3>\n\n\n\n

Each number is multiplied or divided by a fixed value.
Example: 3, 6, 12, 24(Multiply by 2)<\/p>\n\n\n\n

3. Difference Series<\/h3>\n\n\n\n

The difference between numbers follows a pattern, sometimes needing 2nd or 3rd level differences.
Example: 1, 3, 7, 13 (Differences: +2, +4, +6…)<\/p>\n\n\n\n

4. Squares\/Cubes<\/h3>\n\n\n\n

Numbers are perfect squares or cubes.
Example: 1, 4, 9, 16, 25 (Squares of 1, 2, 3…)<\/p>\n\n\n\n

5. Prime Numbers<\/h3>\n\n\n\n

Only prime numbers are used.
Example: 2, 3, 5, 7, 11, 13…<\/p>\n\n\n\n

6. Mixed Pattern<\/h3>\n\n\n\n

A mix of operations, like adding and multiplying.
Example: 2, 4, 9, 19, (+2, \u00d72, +3, \u00d72…)<\/p>\n\n\n\n

7. Alternate Pattern Series<\/h3>\n\n\n\n

Two patterns running in odd and even positions.
Example: 2, 10, 4, 8, 6, 6…
\u2192 Odd: 2, 4, 6 (+2)
\u2192 Even: 10, 8, 6 (\u20132)<\/p>\n\n\n\n

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Most Expected Wrong Number Series Questions for RRB Clerk 2025<\/strong><\/h2>\n\n\n\n

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Here we are providing the most expected IBPS RRB Clerk Wrong Number Series questions, Candidates can click the PDF link and attempt all the questions with detailed solutions<\/p>\n\n\n\n

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Question 1:<\/strong> What will come in place of the question mark (?) in the following series?<\/p>\n\n\n\n

84, 64, 94, 54, 104, ?<\/p>\n\n\n\n

A) 34<\/p>\n\n\n\n

B) 44<\/p>\n\n\n\n

C) 48<\/p>\n\n\n\n

D) 40<\/p>\n\n\n\n

E) 54<\/p>\n\n\n\n

Question 2:<\/strong> What will come in place of the question mark (?) in the following series?<\/p>\n\n\n\n

8, 19, 32, 49, 72,?<\/p>\n\n\n\n

A) 99<\/p>\n\n\n\n

B) 105<\/p>\n\n\n\n

C) 103<\/p>\n\n\n\n

D) 110<\/p>\n\n\n\n

E) 108<\/p>\n\n\n\n

Question 3:<\/strong> The following numbers form a series. Find the odd one out.<\/p>\n\n\n\n

1, 16, 128, 512, 1024, 1024<\/p>\n\n\n\n

A) 16<\/p>\n\n\n\n

B) 512<\/p>\n\n\n\n

C) 128<\/p>\n\n\n\n

D) 1024<\/p>\n\n\n\n

E) None of these<\/p>\n\n\n\n

Question 4:<\/strong> The following numbers form a series. Find the odd one out.<\/p>\n\n\n\n

54, 67, 81, 96, 112, 128<\/p>\n\n\n\n

A) 67<\/p>\n\n\n\n

B) 81<\/p>\n\n\n\n

C) 96<\/p>\n\n\n\n

D) 112<\/p>\n\n\n\n

E) 128<\/p>\n\n\n\n

Question 5:<\/strong> The following numbers form a series. Find the odd one out.<\/p>\n\n\n\n

27, 38, 51, 65, 83, 102<\/p>\n\n\n\n

A) 38<\/p>\n\n\n\n

B) 51<\/p>\n\n\n\n

C) 65<\/p>\n\n\n\n

D) 83<\/p>\n\n\n\n

E) 102<\/p>\n\n\n\n

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Wrong Number Series<\/strong> Most Expected Question – Click to Download PDF<\/strong><\/a><\/div>\n<\/div>\n\n\n\n

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Study Resources to Level Up Your RRB Clerk 2025 Exam Preparation (Based On Latest Pattern)<\/strong><\/h2>\n\n\n\n

To nail the IBPS RRB Clerk 2025 exam, candidates can boost their preparation with our study resources, such as mock tests, topic-wise tests, and mini mocks, to improve their accuracy and speed. <\/p>\n\n\n\n

Topics<\/strong><\/td>RRB Clerk Preparation Resources<\/strong><\/td><\/tr>
Free Full-Length Mock Test<\/strong><\/td>RRB Clerk Free Full-Length Mock Test<\/a><\/td><\/tr>
Reasoning topics tests<\/strong><\/td>RRB Clerk Reasoning Topic Test<\/a><\/td><\/tr>
Quant Topic Tests<\/strong><\/td>RRB Clerk Quant Topi<\/a>c Test<\/a><\/td><\/tr>
Previous Year Paper <\/strong><\/td>2017 To 2024 Question PDFs<\/a><\/td><\/tr>
Ebooks PDF<\/strong><\/td>Download Free PDFs <\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

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Tips to Solve Wrong Number Series Fast<\/strong><\/h2>\n\n\n\n

Here are some easy tips to solve these questions quickly in the exam:<\/strong><\/p>\n\n\n\n

1. Practice with a timer to increase your speed.
2. Skip the question if it takes more than 1 minute.
3. Memorize squares up to 30 and cubes up to 15.
4. Know the first 50 prime numbers for quick identification.
5. Use the elimination method to remove options that don\u2019t fit.
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Attempt Sectional Mock Test to Boost Your Prep<\/strong><\/a><\/div>\n<\/div>\n\n\n\n

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Join our exclusive Telegram group where our experts are ready to answer all your queries, guide you in banking exam preparation, and give personalised tips to boost your success. Get access to real-time solutions, expert advice, and valuable resources to improve your study journey. [Click here to join now!]<\/strong><\/em><\/p>\n\n\n\n

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PracticeMock Telegram group Link<\/strong><\/a><\/div>\n<\/div>\n\n\n\n

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IBPS RRB Clerk Other Article<\/strong><\/p>\n\n\n\n

IBPS RRB Clerk Exam Pattern <\/a><\/td>IBPS RRB Clerk Syllabus <\/a><\/td><\/tr>
IBPS RRB Clerk Salary <\/a><\/td>IBPS RRB Clerk Cut Off <\/a><\/td><\/tr>
IBPS RRB Clerk Previous Year Paper<\/a><\/td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

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FAQs<\/h2>\n\n\n\n
1. Are wrong number series questions tough?<\/strong><\/strong>

No, they are easy if you know the common patterns.<\/p> <\/div>

2. How fast should I solve one question?<\/strong><\/strong>

Try to solve each in under within minute to save time.<\/p> <\/div>

3. Where can I practice these questions?<\/strong>

Practice on PracticeMock with the latest pattern-based questions<\/p> <\/div>

4. How many wrong number series questions are asked in RRB Clerk Prelims?<\/strong>

Usually 5 questions in one set.<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"

Read this blog till the end to know what type of wrong series question was asked in the exam and how to solve it with accuracy.\u00a0<\/p>\n","protected":false},"author":32,"featured_media":151926,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[15],"tags":[],"class_list":["post-151797","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ibps-rrb-clerk"],"yoast_head":"\nWrong Number Series for RRB Clerk 2025<\/title>\n<meta name=\"description\" content=\"Read this blog till the end to know what type of wrong series question was asked in the exam and how to solve it with accuracy.\u00a0\" \/>\n<meta name=\"robots\" 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Are wrong number series questions tough?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No, they are easy if you know the common patterns.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.practicemock.com\/blog\/wrong-number-series-for-rrb-clerk-know-pattern-types-and-tips-to-solve\/#faq-question-1749125824613","position":2,"url":"https:\/\/www.practicemock.com\/blog\/wrong-number-series-for-rrb-clerk-know-pattern-types-and-tips-to-solve\/#faq-question-1749125824613","name":"2. How fast should I solve one question?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Try to solve each in under within minute to save time.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.practicemock.com\/blog\/wrong-number-series-for-rrb-clerk-know-pattern-types-and-tips-to-solve\/#faq-question-1749125828615","position":3,"url":"https:\/\/www.practicemock.com\/blog\/wrong-number-series-for-rrb-clerk-know-pattern-types-and-tips-to-solve\/#faq-question-1749125828615","name":"3. Where can I practice these questions?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Practice on PracticeMock with the latest pattern-based questions","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.practicemock.com\/blog\/wrong-number-series-for-rrb-clerk-know-pattern-types-and-tips-to-solve\/#faq-question-1749125833571","position":4,"url":"https:\/\/www.practicemock.com\/blog\/wrong-number-series-for-rrb-clerk-know-pattern-types-and-tips-to-solve\/#faq-question-1749125833571","name":"4. How many wrong number series questions are asked in RRB Clerk Prelims?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Usually 5 questions in one set.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"uagb_featured_image_src":{"full":["https:\/\/www.practicemock.com\/blog\/wp-content\/uploads\/2025\/06\/Wrong-Number-Series-for-RRB-Clerk-2025.png",1200,675,false],"thumbnail":["https:\/\/www.practicemock.com\/blog\/wp-content\/uploads\/2025\/06\/Wrong-Number-Series-for-RRB-Clerk-2025.png",150,84,false],"medium":["https:\/\/www.practicemock.com\/blog\/wp-content\/uploads\/2025\/06\/Wrong-Number-Series-for-RRB-Clerk-2025.png",300,169,false],"medium_large":["https:\/\/www.practicemock.com\/blog\/wp-content\/uploads\/2025\/06\/Wrong-Number-Series-for-RRB-Clerk-2025.png",640,360,false],"large":["https:\/\/www.practicemock.com\/blog\/wp-content\/uploads\/2025\/06\/Wrong-Number-Series-for-RRB-Clerk-2025.png",640,360,false],"1536x1536":["https:\/\/www.practicemock.com\/blog\/wp-content\/uploads\/2025\/06\/Wrong-Number-Series-for-RRB-Clerk-2025.png",1200,675,false],"2048x2048":["https:\/\/www.practicemock.com\/blog\/wp-content\/uploads\/2025\/06\/Wrong-Number-Series-for-RRB-Clerk-2025.png",1200,675,false],"web-stories-poster-portrait":["https:\/\/www.practicemock.com\/blog\/wp-content\/uploads\/2025\/06\/Wrong-Number-Series-for-RRB-Clerk-2025.png",640,360,false],"web-stories-publisher-logo":["https:\/\/www.practicemock.com\/blog\/wp-content\/uploads\/2025\/06\/Wrong-Number-Series-for-RRB-Clerk-2025.png",96,54,false],"web-stories-thumbnail":["https:\/\/www.practicemock.com\/blog\/wp-content\/uploads\/2025\/06\/Wrong-Number-Series-for-RRB-Clerk-2025.png",150,84,false]},"uagb_author_info":{"display_name":"Akansha Garg","author_link":"https:\/\/www.practicemock.com\/blog\/author\/akansha\/"},"uagb_comment_info":6,"uagb_excerpt":"Read this blog till the end to know what type of wrong series question was asked in the exam and how to solve it with accuracy.\u00a0","_links":{"self":[{"href":"https:\/\/www.practicemock.com\/blog\/wp-json\/wp\/v2\/posts\/151797","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.practicemock.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.practicemock.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.practicemock.com\/blog\/wp-json\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/www.practicemock.com\/blog\/wp-json\/wp\/v2\/comments?post=151797"}],"version-history":[{"count":0,"href":"https:\/\/www.practicemock.com\/blog\/wp-json\/wp\/v2\/posts\/151797\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.practicemock.com\/blog\/wp-json\/wp\/v2\/media\/151926"}],"wp:attachment":[{"href":"https:\/\/www.practicemock.com\/blog\/wp-json\/wp\/v2\/media?parent=151797"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.practicemock.com\/blog\/wp-json\/wp\/v2\/categories?post=151797"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.practicemock.com\/blog\/wp-json\/wp\/v2\/tags?post=151797"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}