Bank Exam Practice Material Series Page 16 | Simplification & Approximation Tricks, Speed Maths & Important Concepts

 

Bank Exam Practice Material Series – Page 16

Simplification & Approximation Tricks, Speed Maths & Important Concepts

Shaktimatha Learning – Quantitative Aptitude Practice Hub
Learn Simplification & Approximation shortcut tricks, fast calculation methods, BODMAS concepts, square and cube shortcuts, and quick solving techniques for Bank Exams, SSC, Railways, Insurance, and Competitive Exams.

Importance of Simplification & Approximation

Simplification & Approximation are among the highest-scoring topics in competitive exams. These topics help students improve:

• Calculation speed
• Mental maths ability
• Accuracy improvement
• Time management
• Shortcut solving skills

Important Simplification Concepts

• BODMAS Rule
• Square & Cube Values
• Approximation Methods
• Division Shortcuts
• Multiplication Tricks
• Fraction Simplification

BODMAS Rule

Bracket → Of → Division → Multiplication → Addition → Subtraction

Approximation Formula

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Speed Tricks for Simplification

Multiplication Shortcut Trick

Find:

25 × 25

Shortcut:

25² = 625

Answer = 625

Approximation Trick

498 + 203

Approximate:

500 + 200

Answer ≈ 700

Division Shortcut Trick

1000 ÷ 25

Since 25 × 4 = 100

1000 ÷ 25 = 40

Answer = 40

Important Square Values

Number	Square	Number	Square
11	121	16	256
12	144	17	289
13	169	18	324
14	196	19	361
15	225	20	400

Practice Questions

Question 1

Simplify:

25 × 16

25 × 4 × 4

100 × 4

Answer = 400

Question 2

Approximate:

997 + 202

1000 + 200

Answer ≈ 1200

Question 3

Find:

18²

Answer = 324

Question 4

Simplify:

2000 ÷ 50

Answer = 40

Question 5

Approximate:

49 × 21

50 × 20

Answer ≈ 1000

Important Exam Tips

• Memorize square values regularly
• Practice approximation techniques daily
• Improve multiplication speed
• Use BODMAS carefully
• Focus equally on speed and accuracy

Fast Formula Revision

Topic	Formula / Rule
BODMAS	Bracket → Of → Division → Multiplication → Addition → Subtraction
Approximation	Nearest Value Method
Square	Number × Number
Division Shortcut	Use Factor Method
Multiplication Shortcut	Break into Easy Factors

Daily Practice Strategy

• Practice 20 Simplification questions daily
• Revise square and cube values regularly
• Improve mental maths speed
• Practice shortcut solving methods
• Focus equally on speed and accuracy

Fast calculations and regular practice improve competitive exam performance.

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Bank Exam Practice Material Series