Start learning →

ITBP Number Series — practice questions — page 3

Explore 115 free Number Series questions in ITBP Reasoning. Open each question or exercise to read its content, reference answers and available explanation.

Practise Number Series with Quill →

Number Series questions and exercises with answers

Showing questions 61–90 of 115.

Find the missing term: 6, 11, 21, 36, 56, ?Read the answer and worked solution →Find the missing term: 1, 2, 6, 24, 120, ?Read the answer and worked solution →Find the missing term: 3, 4, 12, 45, ?Read the answer and worked solution →Find the missing term: 16, 25, 36, 49, ?Read the answer and worked solution →Find the wrong term in: 1, 4, 9, 17, 25, 36Read the answer and worked solution →Find the missing term: 5, 11, 23, 47, ?Read the answer and worked solution →Find the missing term: 2, 6, 18, 54, ?Read the answer and worked solution →Find the missing term: 1, 8, 27, 64, ?Read the answer and worked solution →Find the missing term: 4, 8, 16, 32, ?Read the answer and worked solution →Higher or lower? Pick the bigger next termRead the answer and worked solution →Spot the WRONG term in the seriesRead the answer and worked solution →Higher or lower? Pick the bigger next termRead the answer and worked solution →Find the next number in the seriesRead the answer and worked solution →Spot the wrong term in the seriesRead the answer and worked solution →Find the next number in the series: 26, 29, 33, 38, _____.Read the answer and worked solution →Find the next number in the series: 1200, 600, 300, _____.Read the answer and worked solution →Select the missing number to complete the series: 59967, 59964, 59961, 59958, _____.Read the answer and worked solution →Match each proposition form to its letterRead the answer and worked solution →Universal or particular? Affirmative or negative?Read the answer and worked solution →Affirmative or negative?Read the answer and worked solution →Naming the formRead the answer and worked solution →True or false: what conversion allowsRead the answer and worked solution →Tap every inference that is actually validRead the answer and worked solution →Complete the four formsRead the answer and worked solution →True or false: what a universal claim coversRead the answer and worked solution →Deduction or induction?Read the answer and worked solution →Order the steps: test a syllogismRead the answer and worked solution →True or false: reasoning from two premisesRead the answer and worked solution →Assertion and reasonRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →

Worked practice questions

Find the missing term: 6, 11, 21, 36, 56, ?

  1. 84 only
  2. 75 only
  3. 78 only
  4. 81
Show answer and solution

Correct answer: D. 81

1. Differences: 5, 10, 15, 20, ? 2. Next difference = 25. 3. 56 + 25 = 81. 4. Hence option A. _Source: jkchrome.com SSC Number Series PDF (Mistral OCR), Type I missing number_

Open this question →

Find the missing term: 1, 2, 6, 24, 120, ?

  1. 720
  2. 600 only
  3. 240 only
  4. 360 only
Show answer and solution

Correct answer: A. 720

1. This is the factorial series. 2. Each term is previous * (next integer). 3. 120 * 6 = 720. 4. Hence option A. _Source: jkchrome.com SSC Number Series PDF (Mistral OCR), section on factorial series_

Open this question →

Find the missing term: 3, 4, 12, 45, ?

  1. 100 only
  2. 196
  3. 180 only
  4. 270 only
Show answer and solution

Correct answer: B. 196

1. Chapter Illustration 3 covers this series. 2. Rule: x1+1, x2+4, x3+9, x4+16 etc. 3. 45*4 + 16 = 180 + 16 = 196. 4. Hence option A. _Source: jkchrome.com SSC Number Series PDF (Mistral OCR), Illustration 3_

Open this question →

How to practise

  1. Choose a Number Series question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

More Reasoning topics

Coding DecodingDistance and DirectionBlood RelationsAnalogyAnalogiesVenn DiagramsNumber Series, Coding and Decoding and Odd Man OutDirection Sense