Series – Pattern Recognition Speed Tricks
Solve number and alphabet series quickly using pattern identification techniques.
Common Patterns
- Difference pattern
- Second-level difference
- Multiplication or division
- Squares and cubes
- Alternating series
Difference Trick
Example:
2, 4, 6, 8, ?
Pattern: +2
Answer: 10
Second-Level Difference
Example:
2, 5, 10, 17, ?
Differences: 3, 5, 7 → next = 9
Answer: 26
Multiplication Pattern
Example:
3, 6, 12, 24, ?
Pattern: ×2
Answer: 48
Square Pattern
Example:
1, 4, 9, 16, ?
Answer: 25
Alphabet Series
Example:
A, C, F, J, ?
Pattern: +2, +3, +4 → +5
Answer: O
Exam Level Questions
1. 4, 6, 9, 13, 18, ?
Answer: 24
2. 5, 15, 45, ?
Answer: 135
3. B, E, I, N, ?
Answer: T
Common Mistake
Students check only one pattern and miss hidden logic.
Speed Tip
Always check difference first, then multiplication and alternate patterns.
Shaktimatha Learning
Reasoning Speed • Bank Exam Preparation
Reasoning Speed • Bank Exam Preparation
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