Sunday, 5 April 2026

Bank Exam Number Series Master – Page 9 (Big Set)

Patterns • Tricks • Step-by-Step Solutions

🔷 Common Patterns

Addition / Subtraction
Multiplication / Division
Square / Cube
Alternate pattern
Mixed pattern

🔷 Solved Problems

Q1. 3, 6, 9, 12, ?

Pattern: +3

Answer = 15

Q2. 5, 10, 20, 40, ?

Pattern: ×2

Answer = 80

Q3. 2, 4, 8, 16, ?

= ×2 → 32

Q4. 1, 4, 9, 16, ?

Squares → 5² = 25

Q5. 1, 8, 27, 64, ?

Cubes → 5³ = 125

Q6. 2, 5, 11, 23, ?

Pattern: ×2 +1

= 23×2+1 = 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

Q10. 10, 20, 18, 36, 34, ?

Alternate: ×2, −2

Answer = 68

Q11. 5, 7, 6, 8, 7, ?

Alternate +2, −1

Answer = 9

Q12. 2, 3, 5, 9, 17, ?

= ×2 −1 → 33

Q13. 1, 3, 7, 13, 21, ?

+2, +4, +6, +8

Next +10 → 31

Q14. 2, 6, 7, 21, 22, ?

×3, +1 pattern

= 66

Q15. 8, 16, 24, 32, ?

+8 → 40

Q16. 100, 90, 80, 70, ?

−10 → 60

Q17. 7, 14, 28, 56, ?

×2 → 112

Q18. 1, 2, 6, 24, ?

Factorial → 120

Q19. 11, 13, 17, 19, ?

Prime numbers → 23

Q20. 4, 6, 9, 13, 18, ?

+2, +3, +4, +5

Next +6 → 24

🔥 Topper Tricks

Check difference first
Then check ratio
Look for alternate pattern
Check squares/cubes quickly
Don’t overthink

Final Tip

Observe Pattern → Apply Logic → Solve in Seconds

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