Number Puzzles with Answers for Competitive Exams

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

