CET Number Series (Reasoning) Questions with Solutions

  • 63 questions from MBA CET 2025 (22) and 2026 (41)
  • Asked in 13 of 13 slots
  • Difficulty: 52 Easy / 11 Medium / 0 Hard
  • Question and answer free · detailed solution after free login · updated 28 Oct 2026

Number Series questions in the reasoning section give a sequence of numbers with one missing or wrong term. You find the rule behind the series, such as a pattern in the differences, squares or alternate terms.

Tap Show answer, or open the detailed solution (free login). Page 1 of 14.

CET 2026 Slot 1 · MBA CET 2026 Attempt 1 Slot 1 · Q5Easy
Determine the number which will come in place of ' ? ' in the following given series :
0 9 0 1 9 0 1 2 9 0 1 2 3 9 0 1 2 3 4 9 0 1 2 3 4 5 9 0 1 2 3 4 5 ?
  1. 0
  2. 6
  3. 9
  4. 4
  5. 5
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Official CET answer: B. 6

Cetking's answer: A. 0 — it differs from the official key; the detailed solution shows the working.

CET 2026 Slot 1 · MBA CET 2026 Attempt 1 Slot 1 · Q6Easy
Determine the number which will come in place of ' ? ' in the following given series :
5, 13, 29, ?, 125, 253
  1. 65
  2. 83
  3. 81
  4. 61
  5. 59
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Answer: D. 61

CET 2026 Slot 1 · MBA CET 2026 Attempt 1 Slot 1 · Q9Medium
Determine the number which will come in place of ' ? ' in the following given series :
1.5, 4, 20, 126, ?, 10265
  1. 1024
  2. 1142
  3. 1044
  4. 1052
  5. 1548
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Official CET answer: A. 1024

Cetking's answer: D. 1052 — it differs from the official key; the detailed solution shows the working.

CET 2026 Slot 1 · MBA CET 2026 Attempt 1 Slot 1 · Q10Easy
Determine the number which will come in place of ' ? ' in the following given series :
89250, 17850, 7140, 1428, 571.2, ?
  1. 114.24
  2. 116.64
  3. 246.48
  4. 228.48
  5. 126.12
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Answer: A. 114.24

CET 2026 Slot 1 · MBA CET 2026 Attempt 1 Slot 1 · Q11Easy
Determine the number which will come in place of ' ? ' in the following given series :
3, 1731, ?, 3243, 3459, 3523
  1. 3127
  2. 3731
  3. 2713
  4. 2371
  5. 2731
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Answer: E. 2731

Frequently asked questions

How many Number Series (Reasoning) questions came in MBA CET 2025 and 2026?

63 Number Series (Reasoning) questions were asked: 22 in MBA CET 2025 and 41 in MBA CET 2026. Every one is on this page with its answer (twin papers are not counted).

Which CET slots asked Number Series (Reasoning)? Which had the most?

Number Series (Reasoning) questions came in 13 of 13 slots. CET 2025 Slot 4 had the most (8 questions). Slot-wise lists: CET 2026 and CET 2025.

How difficult are CET Number Series (Reasoning) questions?

Of the 63 Number Series (Reasoning) questions that carry a difficulty rating, 52 are Easy, 11 Medium and 0 Hard.

Are the solutions free?

The question and its answer are free for everyone. The detailed Cetking solution opens after a free login with your mobile number (OTP).

How is a set shown on this page?

Each set gets one page with all its questions together (1 set here), so you never solve half of one. Questions that stand alone are shown five to a page.

Where can I practise more Number Series (Reasoning)?

Open all Traditional Logic chapters for the other chapters, all CET papers and topics for every slot, or the Arena to practise.

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