# Number Series Questions for exams

All most in all the entrance tests as well as interviews series based questions are asked to evaluate IQ. People who love mathematics definitely enjoy solving series related questions. This section is devoted to all such enthusiast brain buddies.

**1) 2, 12, 36, 80, 150, ?
**

A. 250

B. 252

C. 200

D. 270

**2) 6, 14, 26, 98, ?
**

A. 276

B. 275

C. 220

D. 274

**3) 5, 16, 49, 104, ?**

A. 171

B. 191

C. 181

D. 161

**4) 8, 7, 11, 12, 14, 17, 17, 22, ?**

A. 27

B. 20

C. 24

D. 22

**5) 2, 6, 12, 20, 30, 42, 56, ?
**

A. 61

B. 64

C. 70

D. 72

**6) 4, -8, 16, -32, 64, ?**

A. 128

B. -128

C. 192

D. -192

**7) 7, 26, 63, 124, 215, 342, ?
**

A. 481

B. 511

C. 391

B. 421

**8) 3, 12, 27, 48, 75, 108, ?**

A. 147

B. 183

C. 162

D. 192

**9) 20, 19, 17, ?, 10, 5**

A. 14

B. 15

C. 13

D. 11

**10) 1, 6, 13, 22, 33, ?
**

A. 44

B. 45

C. 46

D. 47

**11) 24, 60, 120, 210, ?**

A. 300

B. 420

C. 336

D. 400

**12) 3, 6, 18, 72, ?**

A. 144

B. 360

C. 288

D. 216

**13) 3, 7, 6, 5, 9, 3, 12, 1, 15, ?**

A. 18

B. 13

C. -1

D. 3

**14) 192, 021, 222, 324, 252, 627, 2_, 9_?**

A. 280, 930

B. 282, 930

C. 248, 920

D. 250, 940

**15) 2, 4, 12, 48, 240,?**

A. 960

B. 1440

C. 1080

D. 1920

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