Puzzle Duniya provides you a wide range of number series completion questions with properly explained logic for your basic convenience for upcoming competitive examinations throughout the year. Once you are ready to trigger your talent and stepping forward for stiff competition, your preparation level should be at the very best to get the immortal taste of success. For that, you need to practice questions a lot form different chapters to ensure that you are thoroughly confident before finally appearing for the exam. We offers a wide range of exam-quality study materials for your practice and boosting huge confidence before you go to the exam hall.

Below there are 10 problems from number sequences given for your test of intelligence. You need to solve them each before going to the answer section for required solution:

**Q1.** Which of the following number will replace the (?) mark and complete the series –

1, 9, 25, 49, ?, 121

**Answer Option:**

a. 64

b. 81

c. 91

d. 100

### Answer

### Answer

### Explanation

### Explanation

So, missing term = 92 = 81.

**Q2.** Which of the following number will replace the (?) mark and complete the series –

4, 7, 12, 19, 28, ?

**Answer Option:**

a. 30

b. 36

c. 39

d. 49

### Answer

### Answer

### Explanation

### Explanation

**Q3.** Which of the following number will replace the (?) mark and complete the series –

11, 13, 17, 19, 23, 25, ?

**Answer Option:**

a. 26

b. 27

c. 29

d. 37

### Answer

### Answer

### Explanation

### Explanation

**Q4.** Which of the following number will replace the (?) mark and complete the series –

6, 12, 21, ?, 48

**Answer Option:**

a. 33

b. 38

c. 40

d. 45

### Answer

### Answer

### Explanation

### Explanation

**Q5.** Which of the following number will replace the (?) mark and complete the series –

2, 5, 9, ?, 20, 27

**Answer Option:**

a. 14

b. 16

c. 18

d. 24

### Answer

### Answer

### Explanation

### Explanation

**Q6.** Which of the following number will replace the (?) mark and complete the series –

6, 11, 21, 36, 56, ?

**Answer Option:**

a. 42

b. 51

c. 81

d. 91

### Answer

### Answer

### Explanation

### Explanation

**Q7.** Which of the following number will replace the (?) mark and complete the series –

10, 18, 28, 40, 54, 70, ?

**Answer Option:**

a. 85

b. 86

c. 87

d. 88

### Answer

### Answer

### Explanation

### Explanation

**Q8.** Which of the following number will replace the (?) mark and complete the series –

120, 99, 80, 63, 48, ?

Answer Option:

a. 35

b. 38

c. 39

d. 40

### Answer

### Answer

### Explanation

### Explanation

**Q9.** Which of the following number will replace the (?) mark and complete the series –

22, 24, 28, ?, 52, 84

**Answer Option:**

a. 36

b. 38

c. 42

d. 46

### Answer

### Answer

### Explanation

### Explanation

**Q10.** Which of the following number will replace the (?) mark and complete the series –

4832, 5840, 6848, ?

**Answer Option:**

a. 7815

b. 7846

c. 7856

d. 7887

### Answer

### Answer

### Explanation

### Explanation

**Q11.** Which of the following number will replace the (?) mark and complete the series –

10, 100, 200, 310, ?

**Answer Option:**

a. 400

b. 410

c. 420

d. 430

### Answer

### Answer

### Explanation

### Explanation

**Q12.** Which of the following number will replace the (?) mark and complete the series –

0, 2, 8, 14, ?, 34

**Answer Option:**

a. 20

b. 23

c. 24

d. 25

### Answer

### Answer

### Explanation

### Explanation

**Q13.** Which of the following number will replace the (?) mark and complete the series –

28, 33, 31, 36, ?, 39

**Answer Option:**

a. 32

b. 34

c. 38

d. 40

### Answer

### Answer

### Explanation

### Explanation

**Q14.** Which of the following number will replace the (?) mark and complete the series –

125, 80, 45, 20, ?

**Answer Option:**

a. 5

b. 8

c. 10

d. 12

### Answer

### Answer

### Explanation

### Explanation

**Q15.** Which of the following number will replace the (?) mark and complete the series –

1, 5, 13, 25, 41, ?

**Answer Option:**

a. 51

b. 57

c. 61

d. 63

### Answer

### Answer

### Explanation

### Explanation

**Q16.** Which of the following number will replace the (?) mark and complete the series –

2, 15, 41, 80, ?

**Answer Option:**

a. 111

b. 120

c. 121

d. 132

### Answer

### Answer

### Explanation

### Explanation

**Q17.** Which of the following number will replace the (?) mark and complete the series –

6, 17, 39, 72, ?

**Answer Option:**

a. 83

b. 94

c. 116

d. 127

### Answer

### Answer

### Explanation

### Explanation

**Q18.** Which of the following number will replace the (?) mark and complete the series –

325, 259, 204, 160, 127, 105, ?

**Answer Option:**

a. 94

b. 96

c. 98

d. 100

### Answer

### Answer

### Explanation

### Explanation

**Q19.** Which of the following number will replace the (?) mark and complete the series –

1, 4, 10, 22, 46, ?

**Answer Option:**

a. 64

b. 86

c. 94

d. 122

### Answer

### Answer

### Explanation

### Explanation

**Q20.** Which of the following number will replace the (?) mark and complete the series –

0.5, 0.55, 0.65, 0.8, ?

**Answer Option:**

a. 0.9

b. 0.82

c. 1

d. 0.95