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Simplification Tricks (Basic Concepts) – Bank Exams

Fast Calculation • Accuracy • Time Saving

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1. What is Simplification?

Simplification means solving mathematical expressions quickly.

Example:
2 + 3 × 5 = ?

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2. BODMAS Rule (Very Important)

B → Brackets
O → Orders (Power)
D → Division
M → Multiplication
A → Addition
S → Subtraction

👉 Always follow this order

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3. Example

2 + 3 × 5 = ?

👉 3 × 5 = 15
👉 15 + 2 = 17 ✔

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4. Approximation Trick

👉 Round numbers for fast solving:

49 ≈ 50
102 ≈ 100

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5. Square Values (Must Remember)

• 10² = 100
• 20² = 400
• 30² = 900
• 50² = 2500

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6. Common Mistakes

• Ignoring BODMAS ❌
• Wrong calculation ❌
• Not using approximation ❌

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7. Topper Tip

Practice mental calculation daily. Speed improves with repetition.

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8. Quick Practice

10 + 5 × 6 = ?

👉 5 × 6 = 30
👉 30 + 10 = 40 ✔

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