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### Reasoning - Series Completion Questions and Answers.

A series is given, with one number/letter missing. Choose the correct alternative from the given ones that will complete the series?

`1.  138, 142, 146, 150, ?, 142, 138`

[SSC FCI Combined Asstt. Grade-III Exam 2012]

• a) 148
• b) 140
• c) 146
• d) 144

`2.  5, 15, 45, 135`
`    6, 24, ?, 384`

[SSC FCI Combined Asstt. Grade-III Exam 2012]

• a) 72
• b) 96
• c) 48
• d) 56

`3.  0, 7, 26, 63, ?`

[SSC FCI Combined Asstt. Grade-III Exam 2012]

• a) 124
• b) 98
• c) 125
• d) 126

`4.  Y, U, Q, M, I, ?`

[SSC FCI Combined Asstt. Grade-III Exam 2012]

• a) C
• b) D
• c) G
• d) E

`5.  3, 7, 15, ?, 63, 127`
• a) 30
• b) 31
• c) 47
• d) 52

`6.  0, ?, 8, 15, 24`
• a) 3
• b) 1
• c) 2
• d) 5

`7.  6, 12, 21, ?, 48`
• a) 38
• b) 40
• c) 45
• d) 33

`8.  7, 11, 13, 17, ?, 23, 25`
• a) 19
• b) 20
• c) 21
• d) 18

`9.  2, 8, 14, 24, 34, 48, ?`
• a) 58
• b) 62
• c) 64
• d) 66

`10.  5, 17, 37, 65, ?, 145`

[SSC MTS Exam 2013]

• a) 97
• b) 99
• c) 101
• d) 95

`11.  6, 14, 30, ?`

[SSC CGL Exam 2013]

• a) 27
• b) 33
• c) 54
• d) 29

`12. `

[SSC CGL Exam 2013]

• a) 100
• b) 64
• c) 144
• d) 55

`13. `

[SSC CGL Exam 2013]

• a) 74
• b) 76
• c) 77
• d) 72

`14.  2311, 4529, ?, 8989`

[SSC CGL Exam 2013]

• a) 5662
• b) 6755
• c) 7243
• d) 6353

`15.  21, 30, 38, ?, 51, 56, 60`

[SSC CGL Exam 2013]

• a) 55
• b) 45
• c) 80
• d) 35

`16. `

[SSC CGL Exam 2013]

• a) 3
• b) 4
• c) 10
• d) 9

`17. YX, US, ?, MK`
• a) RP
• b) BD
• c) FH
• d) QO

`18. 198, 194, 185, 169, ?`
• a) 92
• b) 136
• c) 144
• d) 112

`19. DKM, FJP, HIS, JHV, ?`
• a) LGY
• b) HGY
• c) IGZ
• d) IGY

`20. 1, 1, 4, 8, 9, 27, ?`
• a) 12
• b) 16
• c) 36
• d) 9

`21. 1, 4, 16, 64, ?`
• a) 128
• b) 256
• c) 232
• d) 225

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