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SNAP Number Series — practice questions

Explore 6 free Number Series questions in SNAP Analyticalability. Open each question or exercise to read its content, reference answers and available explanation.

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Number Series questions and exercises with answers

Showing questions 1–6 of 6.

Find the next number: 3, 7, 15, 31, 63, ?Read the answer and worked solution →Find the next number: 2, 6, 12, 20, 30, ?Read the answer and worked solution →Find the missing term: 1, 4, 9, 16, 25, ?Read the answer and worked solution →Find the missing number: 7, 14, 28, 56, ?Read the answer and worked solution →Find the wrong term: 8, 27, 64, 100, 216Read the answer and worked solution →Find the next term: 1, 1, 2, 3, 5, 8, ?Read the answer and worked solution →

Worked practice questions

Find the next number: 3, 7, 15, 31, 63, ?

  1. 120
  2. 125
  3. 129
  4. 127
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Correct answer: D. 127

1. Pattern: each term = 2 × previous + 1. 2. 3, 3·2+1=7, 7·2+1=15, 15·2+1=31, 31·2+1=63, 63·2+1=127. 3. Next term: 127. _Source: TSICET 2024 PYQ Q.31 (Shift 1, Number Series)_

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Find the next number: 2, 6, 12, 20, 30, ?

  1. 36
  2. 40
  3. 44
  4. 42
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Correct answer: D. 42

1. Differences: 4, 6, 8, 10. Each difference grows by 2. 2. Next difference = 12. 30 + 12 = 42. 3. Pattern check: nth term = n(n+1) for n=1,2,3... → 2,6,12,20,30,42. ✓ _Source: TSICET 2024 PYQ Q.32 (Shift 1, Number Series)_

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Find the missing term: 1, 4, 9, 16, 25, ?

  1. 49
  2. 30
  3. 32
  4. 36
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Correct answer: D. 36

1. Pattern: nth term = n². 2. 1=1², 4=2², 9=3², 16=4², 25=5². 3. Next = 6² = 36. _Source: TSICET 2024 PYQ Q.33 (Shift 1, Number Series)_

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