Number Series asked RRB PO Prelim 2017. Welcome to the **letsstudytogether.co** online learning section. Today we are sharing the Number Series asked RRB PO Prelim 2017 9^{th} & 10^{th} September 2017 (All Slots) which is very important for the aspirants who are going to appear for IBPS RRB Clerk Prelims 2017.

**Number Series asked RRB PO Prelim 2017**

**1. 190, 94, 46, 22 ? 4**

A. 12

B. 10

C. 22

D. 30

E. 16

**2. 7, 4, 5, 12, 52, ?**

A. 430

B. 420

C. 424

D. 104

E. 124

**3. 6, 4, 5, 11, 39, ?**

A. 219

B. 199

C. 221

D. 89

E. 189

**4. 89, 88, 85, 78, 63, ?**

A. 22

B. 32

C. 42

D. 52

E. 120

**5. 5, 28, 47, 64, 77, ?**

A. 98

B. 110

C. 88

D. 92

E. 96

**6. 7, 6, 10, 27, 104, ?**

A. 530

B. 515

C. 488

D. 509

E. 511

**7. 19, 9, 8, 14, 39, ?**

A. 185

B. 515

C. 142

D. 509

E. 152

**8. 102, 101, 98, 91, 76, ?**

A. 37

B. 45

C. 50

D. 33

E. 40

**9. 728, 242, 80, 26, ?, 2**

A. 8

B. 10

C. 16

D. 32

E. 24

**10. 4, 46, 86, 122, 156, ?**

A. 197

B. 205

C. 196

D. 186

E. 190

**11. 131, 67, 35, 19, 11, ? **

A. 18

B. 8

C. 14

D. 7

E. 9

**12. 25, 28, 22, 31, 19, ?**

A. 44

B. 24

C. 20

D. 36

E. 34

**13. 7, 4.5, 6, 11, ?**

A. 20.5

B. 26.5

C. 50.5

D. 24.5

E. 16.5

**14. 1, 4, 9, 18, 35, ?**

A. 68

B. 52

C. 112

D. 52

E. 72

**15. 3.5, 4, 8, 27, ?, 767**

A. 119

B. 129

C. 189

D. 92

E. 123

**16. 2, 13, 26, 43, 62, ?**

A. 81

B. 85

C. 77

D. 83

E. 61

**17. 519, 517, 509, 483, 403, ?**

A. 185

B. 515

C. 142

D. 509

E. 152

**18. 1094, 365, 122, 41, 14, ?**

A. 24

B. 15

C. 5

D. 17

E. 21

**19. 7, 3, 2, 2, 4, ?**

A. 8

B. 10

C. 16

D. 32

E. 24

**20. 1.5, 3.5, 10, 34, ?, 711**

A. 122

B. 162

C. 147

D. 141

E. 139

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