Data Interpretation – Speed Calculation + Approx Tricks
Solve DI questions quickly using approximation and smart calculation methods.
🔥 Shortcut Tricks
- Use approximation (round values)
- Cancel numbers before multiplication
- Memorize percentage equivalents
- Focus on options (elimination)
📊 Sample Table
| Year | Sales (₹) | Profit (₹) |
|---|---|---|
| 2021 | 500 | 50 |
| 2022 | 600 | 60 |
| 2023 | 800 | 80 |
| 2024 | 1000 | 120 |
Exam Level Questions
Q1: Profit % in 2021?
Solution:
50/500 × 100 = 10%
Q2: Increase in sales from 2021 to 2023?
Solution:
800 − 500 = 300
Q3: Total profit of all years?
Solution:
50 + 60 + 80 + 120 = 310
Q4: Average sales?
Solution:
(500+600+800+1000)/4 = 725
Q5 (Approx): 800 × 12% ≈ ?
Answer: ≈ 96
Q6 (Speed Trick): 1000 ÷ 25 = ?
Answer: 40
❌ Exam Trap
Q: Solve exact value always?
Trap: ❌ Not required
Correct:
Use approximation when options are far
⚡ Speed Booster Tip
Focus on speed, not perfect accuracy in DI.
Shaktimatha Learning
Quant • Data Interpretation • Bank Exam Preparation
Quant • Data Interpretation • Bank Exam Preparation
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