Number Puzzles With Answers For Interview

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Introduction

Number puzzles are an excellent way to strengthen your brain and have fun. They can help you develop your mathematical skills and logical thinking, as well as your creativity and curiosity. Number puzzles can also provide you with a sense of satisfaction and achievement when you solve them. Nithra Jobs provides you with more number puzzles and job openings. Whether you are a beginner or an expert, there is a number puzzle for you to try. So grab a pencil and paper, or your smartphone or tablet, and start solving some number puzzles today!

1. What number should replace the question mark?

A.103
B.110
C.121
D.128
Ans: 103
Explanation:
In a given pyramid, add two consecutive numbers from the left of the bottom side. The same will follow to next consecutive numbers and for the remaining rows.
Ex: 47 + 56 = 103
19 + 28 = 47
28 + 28 = 56
7 + 12 = 19
12 + 16 = 28
16 + 12 = 28
2 + 5 = 7
5 + 7 = 12
7 + 9 = 16
9 + 3 = 12

2. Which number replaces the question mark?

A.11
B.16
C.17
D.15
Ans: 16
Explanation:
Each number in the bottom rows is the sum of the numbers above it and the previous number.
Ex: 0 + 7 = 7
7 + 2 = 9
2 + 4 = 6
4 + 12 = 16
12 + 6 = 18
6 + 3 = 9

3. Which number replaces the question mark?

A.31
B.34
C.39
D.43
Ans: 31
Explanation:
Looking across and down each number is the sum of the previous two numbers.
Ex: (i) 7 + 4 = 11, 4 + 11 = 15
(ii) 2 + 3 = 5, 3 + 5 = 8

(iii) 9 + 7 = 16, 7 + 16 = 23
(iv) 11 + 10 = 21, 10 + 21 = 31

4. Which number replaces the question mark?

A.785
B.789
C.784
D.782
Ans: 789
Explanation:
For first two digits in the center value of each row = add first two digits in the left and right of the element. Last digit of center value of each row = add last digit in the left and right element.
Ex: (i) 42 + 31 = 73, 7 + 1 = 8 ⇒ 738
(ii) 63 + 73 = 136, 0 + 2 = 2 ⇒ 1362
(iii) 29 + 49 = 78, 7 + 2 = 9 ⇒ 789

5. Which number replaces the question mark?

A.11
B.19
C.15
D.13
Ans: 11
Explanation:
Each adjacent group of three numbers total 23.
Ex: (i) 5 + 12 + 6 = 23
(ii) 12 + 6 + 5 = 23
(iii) 6 + 4 + 13 = 23
(iv) 4 + 9 + 10 = 23
(v) 9 + 6 + 8 = 23
(vi) 6 + 14 + 3 = 23
(vii) 14 + 7 + 2 = 23
(viii) 7 + 5 + 11 = 23

6. Can you find the missing number?

A.9
B.8
C.1
D.0
Ans: 0
Explanation:
From the first array to the second array the four corner and the middle numbers increase by 1. From the second array to the third array the remaining numbers decrease by 1.
Ex: (i) The four corner numbers of Array 2 from Array 1:
7 + 1 = 8, 6 + 1 = 7, 3 + 1 = 4 , 7 + 1 = 8 middle number 8 + 1 = 9.
(ii) The middle numbers of Array 3 Array 2:
4 - 1 = 3 , 9 - 1 = 8, 2 - 1 = 1, 1 - 1 = 0.

7. Can you find the missing number?

A.5
B.6
C.3
D.2
Ans: 6
Explanation:
So that the number in the triangles, squares and circles add up to 33.
Ex: Circle : 12 + 5 + 16 = 33
Triangle : 4 + 18 + 11 = 33
Square : 8 + 6 + 19 = 33

8. Can you find the missing number?

A.17
B.13
C.7
D.2
Ans: 2
Explanation:
So that each square block of four numbers totals 15.
Ex: 5 + 7 + 1 + 2 = 15
7 + 4 + 2 + 2 = 15
4 + 3 + 2 + 6 = 15
3 + 1 + 6 + 5 = 15
1 + 2 + 6 + 6 = 15
2 + 2 + 6 + 5 = 15
2 + 6 + 5 + 2 = 15
6 + 6 + 1 + 2 = 15

9. Can you find the missing number?

A.45
B.47
C.41
D.49
Ans: 41
Explanation:
Multiplying the corner two largest number getting answer is subtracting with smallest corner. It is the centre value of the triangle.
Ex: (i) 8 * 6 = 48, 48 - 2 = 46
(ii) 7 * 5 = 35, 35 - 3 = 32
(iii) 9 * 5 = 45, 45 - 4 = 41

10. What number should replace the question mark?

A.15
B.19
C.16
D.6
Ans: 6
Explanation:
Sum of opposite number is 21.
Ex: 10 + 11 = 21
13 + 8 = 21
6 + 15 = 21
17 + 4 = 21

Conclusion

Number puzzles are a useful way to prepare for your job interviews and exams. They can help you demonstrate your numerical ability and logical thinking to potential employers. Number puzzles can also boost your confidence and performance in various tasks that require numerical skills. Whether you are looking for a job in the private sector or the government sector, you can find many number puzzles on Nithra Jobs, a leading job portal in Tamilnadu. Nithra Jobs offers you the latest job vacancies, recruitment process, walk-in interviews, and interview tips for freshers and experienced candidates. So download the Nithra Jobs app today and start practicing some number puzzles!