SSC CGL 2026 — General Intelligence & Reasoning: Number Series

This set contains 20 carefully selected multiple-choice questions (MCQs) on Number Series for SSC CGL 2026 preparation. Each question comes with a detailed explanation to reinforce your understanding.

  • Subject: General Intelligence & Reasoning
  • Topic: Number Series
  • Questions: 20 MCQs
  • Difficulty: Moderate–High (exam-level)

Q1. 2, 6, 18, 54, ?

A. 108 B. 162 C. 216 D. 324

Q2. 1, 4, 9, 16, 25, ?

A. 30 B. 35 C. 36 D. 49

Q3. 3, 7, 13, 21, 31, ?

A. 41 B. 43 C. 45 D. 47

Q4. 100, 50, 25, 12.5, ?

A. 5 B. 6 C. 6.25 D. 7.5

Q5. 1, 1, 2, 3, 5, 8, 13, ?

A. 18 B. 21 C. 23 D. 26

Q6. 5, 11, 23, 47, 95, ?

A. 189 B. 191 C. 193 D. 185

Q7. 0, 6, 24, 60, 120, ?

A. 180 B. 200 C. 210 D. 240

Q8. 121, 144, 169, 196, ?

A. 215 B. 225 C. 256 D. 289

Q9. 7, 14, 28, 56, ?

A. 112 B. 100 C. 98 D. 84

Q10. 1, 8, 27, 64, 125, ?

A. 196 B. 216 C. 225 D. 250

Q11. 4, 8, 24, 96, ?

A. 288 B. 384 C. 480 D. 576

Q12. 2, 3, 5, 7, 11, 13, ?

A. 15 B. 16 C. 17 D. 19

Q13. 10, 20, 30, 40, 50, ?

A. 55 B. 60 C. 70 D. 80

Q14. 3, 6, 11, 18, 27, ?

A. 36 B. 38 C. 40 D. 38

Q15. 729, 243, 81, 27, ?

A. 3 B. 9 C. 6 D. 12

Q16. 1, 2, 4, 7, 11, 16, ?

A. 20 B. 21 C. 22 D. 23

Q17. 5, 10, 20, 40, 80, ?

A. 120 B. 140 C. 160 D. 200

Q18. 100, 95, 85, 70, 50, ?

A. 20 B. 25 C. 30 D. 35

Q19. 2, 5, 10, 17, 26, ?

A. 35 B. 36 C. 37 D. 38

Q20. 64, 32, 16, 8, 4, ?

A. 1 B. 2 C. 3 D. 0

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