Bank Exam Number Series Master – Page 10 (Premium Guide)
Missing Series • Wrong Series • Pattern Recognition • Exam Strategy
Core Concept
Number series questions are based on identifying patterns. The fastest approach is to check:
- Difference
- Ratio
- Squares/Cubes
- Alternate patterns
Missing Number Series
Q1. 3, 6, 9, 12, ?
Pattern: +3
Answer = 15
Q2. 5, 10, 20, 40, ?
Pattern: ×2
Answer = 80
Q3. 2, 4, 8, 16, ?
Answer = 32
Q4. 1, 4, 9, 16, ?
Squares → 25
Q5. 1, 8, 27, 64, ?
Cubes → 125
Mixed Pattern Series
Q6. 2, 5, 11, 23, ?
Pattern: ×2 +1
Answer = 47
Q7. 3, 7, 15, 31, ?
= ×2 +1 → 63
Q8. 4, 9, 19, 39, ?
= ×2 +1 → 79
Q9. 6, 13, 27, 55, ?
= ×2 +1 → 111
Alternate Pattern
Q10. 10, 20, 18, 36, 34, ?
Pattern: ×2, −2
Answer = 68
Q11. 5, 7, 6, 8, 7, ?
Pattern: +2, −1
Answer = 9
Wrong Number Series
Q12. 2, 4, 8, 15, 16
Correct pattern: ×2
Wrong number = 15
Q13. 3, 6, 12, 25, 48
Pattern: ×2
Wrong number = 25
Q14. 5, 10, 20, 35, 40
Pattern: ×2
Wrong number = 35
Topper Tips
- Check difference first
- Then check multiplication
- Look for alternate patterns
- Check squares and cubes
- Avoid overthinking
Exam Strategy
- Spend max 20 seconds per question
- Skip if pattern not clear
- Return after solving easier ones
Final Tip
Observe Pattern → Apply Logic → Solve Quickly
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