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Number Series Tricks (Pattern Recognition) – Bank Exams

Easy Scoring • Pattern Logic • Fast Solving

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1. What is Number Series?

A sequence of numbers following a pattern.

Example:
2, 4, 6, 8, ?

👉 Pattern = +2

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2. Types of Series

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

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3. Addition Pattern

2, 5, 9, 14, ?

+3, +4, +5 → next +6
Answer: 20 ✔

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4. Multiplication Pattern

2, 6, 18, 54, ?

×3 each time → Answer: 162 ✔

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5. Square Pattern

1, 4, 9, 16, ?

1², 2², 3², 4² → next 5² = 25 ✔

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6. Mixed Pattern

2, 6, 7, 21, 22, ?

×3, +1, ×3, +1 → next = 66 ✔

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7. Common Mistakes

• Checking only one pattern ❌
• Ignoring mixed pattern ❌
• Calculation errors ❌

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8. Topper Tip

Check difference first → then multiplication → then special patterns

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9. Quick Practice

3, 9, 27, 81, ?

👉 ×3 pattern → Answer: 243 ✔

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