📘 BANK EXAM SPEED MATHS – PAGE 6

🔹 Division Tricks

Division is often time-consuming in bank exams. Using smart techniques and approximation can help solve division problems quickly without lengthy calculations.

✅ Trick 1: Break the Number

Example: 816 ÷ 4

• 800 ÷ 4 = 200
• 16 ÷ 4 = 4

Answer = 204

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✅ Trick 2: Use Multiplication Logic

Concept: Think division as reverse multiplication.

Example: 735 ÷ 5

• 5 × 147 = 735

Answer = 147

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✅ Trick 3: Division by 5 Shortcut

Rule: Multiply by 2 and divide by 10

Example: 245 ÷ 5

• 245 × 2 = 490
• 490 ÷ 10 = 49

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✅ Trick 4: Approximation in Division

Example: 798 ÷ 19

• 798 ≈ 760
• 760 ÷ 19 = 40

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🔹 Advanced Speed Techniques

✅ Digital Root Method (Check Answers)

Concept: Useful for verifying answers quickly.

Example: 48 × 25 = 1200

• 4+8 = 12 → 1+2 = 3
• 2+5 = 7
• 3 × 7 = 21 → 2+1 = 3
• 1+2+0+0 = 3 ✔

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✅ Option Elimination Trick

Instead of solving fully, eliminate wrong options using approximation or logic.

Example: 49 × 21

• ≈ 50 × 20 = 1000
• Choose closest option

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🔹 Practice Questions

1. 945 ÷ 5 = ?
2. 816 ÷ 4 = ?
3. 735 ÷ 5 = ?
4. 798 ÷ 19 ≈ ?
5. 625 ÷ 25 = ?
6. 144 ÷ 12 = ?

🔹 Exam Tips

✔ Convert division into multiplication whenever possible
✔ Use approximation for faster solving
✔ Apply shortcuts like ÷5 and ÷25 methods
✔ Practice regularly to improve speed and accuracy

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