Bank Exam Practice Material Series Page 2 | Number Series Practice Set with Answers & Shortcut Tricks

 

 Bank Exam Practice Material Series – Page 2

Number Series Practice Set with Answers & Shortcut Tricks

Shaktimatha Learning – Bank Exam Practice Hub
Learn Number Series shortcut tricks, logical patterns, square & cube series methods, and fast aptitude solving techniques for Bank Exams, SSC, Railways, Insurance, and Competitive Exams.

 Importance of Number Series in Bank Exams

Number Series is one of the most important and scoring topics in:

• Bank Exams
• SSC
• Insurance Exams
• Railway Exams

This section tests:

• Observation skills
• Logical thinking
• Pattern recognition
• Calculation speed

🎯 Common Number Series Patterns

Most number series questions are based on:

• Addition
• Subtraction
• Multiplication
• Division
• Squares
• Cubes
• Prime numbers

 Important Squares Formula

0

 Important Cubes Formula

1

 Shortcut Tricks for Number Series

Pattern	Example
+2, +4, +6	Increasing addition
×2, ×3	Multiplication pattern
Squares	1,4,9,16
Cubes	1,8,27
Prime Numbers	2,3,5,7

 Practice Questions

Q1. 2, 4, 6, 8, __ ?

Solution:

+2 pattern

8 + 2

✅ Answer = 10

Q2. 3, 6, 12, 24, __ ?

Solution:

×2 pattern

24 × 2

✅ Answer = 48

Q3. 1, 4, 9, 16, __ ?

Solution:

Square numbers

1², 2², 3², 4²

Next:

5²

✅ Answer = 25

Q4. 1, 8, 27, 64, __ ?

Solution:

Cube numbers

1³, 2³, 3³, 4³

Next:

5³

✅ Answer = 125

Q5. 5, 10, 20, 40, __ ?

Solution:

×2 pattern

40 × 2

✅ Answer = 80

Q6. 7, 14, 21, 28, __ ?

Solution:

+7 pattern

28 + 7

✅ Answer = 35

Q7. 2, 3, 5, 7, 11, __ ?

Solution:

Prime number series

✅ Answer = 13

Q8. 100, 90, 80, 70, __ ?

Solution:

−10 pattern

70 − 10

✅ Answer = 60

Q9. 2, 6, 12, 20, __ ?

Solution:

Pattern:

1×2
2×3
3×4
4×5

Next:

5×6

✅ Answer = 30

Q10. 11, 22, 33, 44, __ ?

Solution:

+11 pattern

44 + 11

✅ Answer = 55

 Observation Tricks

Fast Methods:

• Check difference first
• Check multiplication pattern
• Observe square/cube relation
• Observe prime numbers
• Use approximation quickly

 Common Squares Table

Number	Square
1	1
2	4
3	9
4	16
5	25
6	36
7	49
8	64
9	81
10	100

 Common Cubes Table

Number	Cube
1	1
2	8
3	27
4	64
5	125
6	216
7	343
8	512
9	729
10	1000

🎯 Daily Practice Strategy

• Practice addition patterns
• Practice multiplication patterns
• Revise square & cube series
• Practice prime number patterns

This improves:

• Logical reasoning
• Calculation speed
• Exam confidence

“Strong Observation Skills Make Number Series Questions Easy and Fast.”

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