Input–Output Tricks (Machine Logic) – Bank Exams

Pattern Finding • Step Logic • High Scoring

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1. What is Input–Output?

A machine rearranges input in steps based on a hidden rule.

Example:

Input: 8 3 5 2
Step 1: 2 8 3 5
Step 2: 2 3 8 5

👉 Find the pattern applied in each step

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2. Important Rule

Observe first step carefully → identify pattern → apply to next steps

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3. Common Patterns

• Ascending / Descending order
• Alphabetical order
• Swap positions
• Position shifting

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4. Example

Input: CAT DOG BAT
Step 1: BAT CAT DOG
Step 2: BAT CAT DOG

👉 Sorted alphabetically ✔

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5. Step Logic Trick

👉 Focus on:

• Which element moves first
• Which remains fixed

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6. Common Mistakes

• Ignoring first step ❌
• Trying random patterns ❌
• Not observing sequence carefully ❌

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7. Topper Tip

Solve step-by-step. Do not jump to final answer.

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8. Quick Practice

Input: 7 2 9 4
Step 1: 2 7 9 4
Step 2: 2 4 7 9

👉 Pattern: Ascending order ✔

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