Missing Number Puzzles with Answers – Set 1

 

Introduction

Missing Number Puzzles test your ability to identify mathematical patterns and relationships between numbers. These puzzles improve logical thinking, observation skills, and problem-solving abilities.


Question 1

Find the missing number:

2, 4, __, 8, 10

A) 5

B) 6

C) 7

D) 9

Answer

B) 6

Explanation

The numbers increase by 2:

2, 4, 6, 8, 10

Therefore, the missing number is 6.


Question 2

Find the missing number:

5, 10, 15, __, 25

A) 18

B) 19

C) 20

D) 22

Answer

C) 20

Explanation

The pattern increases by 5:

5, 10, 15, 20, 25

Therefore, the missing number is 20.


Question 3

Find the missing number:

1, 4, 9, __, 25

A) 12

B) 14

C) 16

D) 18

Answer

C) 16

Explanation

These are perfect squares:

1² = 1

2² = 4

3² = 9

4² = 16

5² = 25

Therefore, the missing number is 16.


Question 4

Find the missing number:

3, 6, 12, __, 48

A) 18

B) 20

C) 24

D) 30

Answer

C) 24

Explanation

Each number is multiplied by 2:

3 × 2 = 6

6 × 2 = 12

12 × 2 = 24

24 × 2 = 48

Therefore, the missing number is 24.


Question 5

Find the missing number:

7, 14, __, 28, 35

A) 18

B) 19

C) 20

D) 21

Answer

D) 21

Explanation

The pattern increases by 7:

7, 14, 21, 28, 35

Therefore, the missing number is 21.


Key Learning

Missing Number Puzzles often use:

  • Addition

  • Subtraction

  • Multiplication

  • Division

  • Squares

  • Simple sequences

Always look for the simplest pattern first.


Practice Tip

Check the difference between consecutive numbers before trying more advanced calculations.


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