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Number Puzzles with Answers for Competitive Exams

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People who like mathematics definitely enjoy solving Number puzzles Quiz. This section is devoted to all such enthusiast brain buddies. Let's solve some important Number Puzzles Quiz with answers for better practice of competitive exams.

You can easily improve your performance with these types of questions by practice here. Continue practice with number puzzle questions of non-verbal.

Number Puzzles Quiz with Answers 


Q.1. Find the missing number

13

54

?

7

45

32

27

144

68

(A) 6

(B) 4

(C) 2

(D) 8

Ans .  B

In the first column, 13 + 7 × 2 = 27.
In the second column, 54 + 45 × 2 = 144.
Let the missing number in the third column be x.
Then, x + 32 × 2 = 68 →  x = 4.

Q.2. Find the missing number

7

4

5

8

7

6

3

3

?

29

19

31

(A) 7

(B) 9

(C) 5

(D) 3

Ans .  C

In the first column, 29 - 8 = 7 × 3 = 21.
In the second column, 19 - 7 = 4 × 3 = 12.
Let the missing number in the third column be x.
Then, 31 - 6 = 5 × x →5x = 25 →x = 5.
 

Q.3. Find the missing number

3

15

4

7

38

5

3

?

5

(A) 21

(B) 25

(C) 18

(D) 16 

Ans .  C

In the first row, 3×4 + 3 = 15.
In the second row, 7×5 + 3 = 38.
In the third row, missing number = 3×5 + 3 = 18.
 

Q.4. Find the missing number

42

44

38

23

55

28

37

?

39

(A) 22

(B) 24

(C) 20

(D) 18

Ans .  A

In the first row, (42 - 38)×11 = 44.
In the second row, (28 - 23)×11 = 55.
In the third row, missing number = (39 -37)×11 = 22.
 

Q.5. Find the missing number

1

7

9

2

14

?

3

105

117

(A) 14

(B) 16

(C) 10

(D) 12

Ans .  D

In the first column, 2×1 + 1 = 3.
In the second column, 14×7 + 7 = 105.
Let the missing number in the third column be x.
Then, x×9 + 9 = 117 → 9x = 108 → x = 12.

Q.6. Find the missing number

963

2

844

464

?

903

(A) 4

(B) 2

(C) 6

(D) 8

Ans .  B

In the first row, (9 + 6 + 3) - (8 + 4 + 4) = 2.
In the second row, missing number = (4 + 6 + 4) - (9 + 0 + 3) = 2.
 

Q.7. Find the missing number

1

2

3

11

7

5

120

45

?

(A) 12

(B) 16

(C) 14

(D) 20

Ans .  B

In the first column, 112 - 12 = 121 - 1 = 120.
In the second column, 72 - 22 = 49 - 4 = 45.
In the third column, missing number = 52 - 32 = 25 - 9 = 16.

Q.8. Find the missing number 

51

11

61

64

30

32

35

?

43

(A) 21

(B) 24

(C) 30

(D) 27

Ans .  D

In the first row, 5×1 = 5, 6×1 = 6, 5 + 6 = 11.
In the second row, 6×4 = 24, 3×2 = 6, 24 + 6 = 30.
In the third row, 3×5 = 15, 4×3 = 12.
Missing number = 15 + 12 = 27.
 

Q.9. Find the missing number

72

24

6

96

16

12

108

?

18

(A) 6

(B) 13

(C) 12

(D) 24

Ans .  C

In the first row, 72 / (24/2) = 72/12 = 6.
In the second row, 96 / (16/2) = 96/8 = 12.
Let the missing number in the third row be x.
Then, 108 / (x/2) = 18 → x/2 = 108/18 → x = 12.
 

Q.10. Find the missing number 

28

20

7

84

35

12

45

?

9

(A) 15

(B) 10

(C) 25

(D) 30

Ans .  C

In the first row, (28/7)×5 = 20.
In the second row, (84/12)×5 = 35.
In the third number, missing number = (45/9)×5 = 25
 

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