Direction: What should come in place of question mark (?) in the following number series?

**A. ** 768

**B. ** 748

**C. ** 764

**D. ** 742

**E. ** None of these

**Answer : ****Option D**

**Explaination / Solution: **

24, 536, 487, 703, 678, ?

So, 742 will come at the place of question mark.

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Direction: What will come in place of the question mark (?) in the following number series?

**A. ** 190

**B. ** 183

**C. ** 193

**D. ** 190

**E. ** None of these

**Answer : ****Option D**

**Explaination / Solution: **

18, 27, 49, 84, 132, (?)

So, ? = 193

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Directions: What will come in place of the question mark (?) in each of the following number series?

**A. ** 201

**B. ** 203

**C. ** 205

**D. ** 211

**E. ** None of these

**Answer : ****Option B**

**Explaination / Solution: **

33, 43, 65, 99, 145, (?)

So, ? = 203

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Direction: What will come in place of the question mark (?) in the following number series?

**A. ** 186

**B. ** 188

**C. ** 185

**D. ** 187

**E. ** None of these

**Answer : ****Option D**

**Explaination / Solution: **

7, 11, 23, 51, 103, (?)

The series is

7 + (41) = 11

11 + (43) = 23

23 + (47) = 51

51 + (413) = 103

103 + (421) = 187

So, ? = 103 + (421) = 187

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Directions: What will come in place of the question mark (?) in each of the following number series?

**A. ** 15

**B. ** 15.5

**C. ** 17.5

**D. ** 17.25

**E. ** None of these

**Answer : ****Option C**

**Explaination / Solution: **

5, 3, 6, ?, 64.75

5*0.5 + 0.5 = 3

3*1.5 + 1.5 = 6

6*2.5 + 2.5 = 17.5

17.5*3.5 + 3.5 = 64.75

So, 17.5 will come at the place of question mark.

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Directions: What should come in place of question mark (?) in the following number series ?

8, 9, 20, 63, 256, 1285, ?

**A. ** 6430

**B. ** 7450

**C. ** 7716

**D. ** 7746

**E. ** None of these

**Answer : ****Option C**

**Explaination / Solution: **

8, 9, 20, 63, 256, 1285, ?

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Direction: What will come in place of the question mark (?) in the following number series?

**A. ** 34.50

**B. ** 35

**C. ** 35.30

**D. ** 35.75

**E. ** None of these

**Answer : ****Option D**

**Explaination / Solution: **

1015, 508, 255, 129, 66.5, ?, 20.875

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Direction: What will come in place of the question mark (?) in the following number series?

**A. ** 192

**B. ** 182

**C. ** 186

**D. ** 198

**E. ** None of these

**Answer : ****Option A**

**Explaination / Solution: **

3, 6, 12, 24, 48, 96, ?

The pattern is:

3 × 2 = 6

6 × 2 = 12

12 × 2 = 24

24 × 2 = 48

48 × 2 = 96

96 × 2 = 192

Hence Option A is correct

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Directions: *What should come in place of the question mark (?) in the following number series?*

2, 16, 112, 672, 3360, 13440 , ?

**A. ** 3430

**B. ** 3340

**C. ** 40320

**D. ** 43240

**E. ** None of these

**Answer : ****Option C**

**Explaination / Solution: **

2, 16, 112, 672, 3360, 13440 , ?

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Directions: What should come in place of the question mark (?) in the following number series?

**A. ** 59

**B. ** 39

**C. ** 49

**D. ** 29

**E. ** None of these

**Answer : ****Option B**

**Explaination / Solution: **

4, 9, 19, ? , 79, 159, 319

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