# Number Series Practice Tests (Arithmetic)

Friends, here are various types of Practice Problems on Number Series. Try to solve these on your own and check with the answers given below. You can check detailed solutions with explanations from here. Happy Reading :)

Set 1
Directions(1–5): What should come in place of question mark (?) in the following number series ?
1. 12, 6.5, 7.5, 12.75, 27.5, 71.25, ?
1. 225.75
2. 216.75
3. 209.75
4. 236.75
5. 249.75
2. 16, 24, 36, 54, 81, 121.5, ?
1. 182.25
2. 174.85
3. 190.65
4. 166.55
5. 158.95
3. 12, 12, 18, 45, 180, 1170,?
1. 13485
2. 14675
3. 15890
4. 16756
5. 12285
4. 22, 23, 27, 36, 52, 77, ?
1. 111
2. 109
3. 113
4. 117
5. 115
5. 16, 14, 24, 66, 256, 1270, ?
1. 8564
2. 5672
3. 4561
4. 7608
5. 6340
Set 2
Directions(1–5): In the following number series, a wrong number is given. Find out that wrong number.
1. 2, 11, 38, 197, 1172, 8227, 65806
1. 11
2. 38
3. 197
4. 1172
5. 8227
2. 16, 19, 21, 30, 46, 71, 107
1. 19
2. 21
3. 30
4. 46
5. 71
3. 7, 9, 16, 25, 41, 68, 107, 173
1. 107
2. 16
3. 41
4. 68
5. 25
4. 4, 2, 3.5, 7.5, 26.25, 118.125
1. 118.125
2. 26.25
3. 3.5
4.  7.5
5. 16, 4, 2, 1.5, 1.75, 1.875
1. 1.875
2. 1.75
3. 1.5
4. 4
Set 3
Directions (1–3): What will come in place of the question mark (?) in the following number series?
1. 17, 98, 147, 172, 181, ?
1. 80
2. 192
3. 184
4. 182
5. None of these
2. 11, 19, 31, 47, 67, ?
1. 80
2. 81
3. 86
4. 96
5. None of these
3. 748, 460, 316, 244, 208, ?
1. 180
2. 190
3. 172
4. 182
5. None of these
Set 4
Directions (1–3): What will come in place of the question mark (?) in the following number series.
1. 12, 16, 24, 36, 52, ?
1. 80
2. 76
3. 72
4. 82
5. None of these
2. 17, 21, 37, 73, 137, ?
1. 246
2. 236
3. 217
4. 237
5. None of these
3. 620, 412, 308, 256, 230, ?
1. 217
2. 227
3. 207
4. 234
5. None of these
Set 5
Directions (1 and 2): What will come in place of the question mark (?) in the following number series.
1. 153, 150, 144, 132, 108, ?
1. 60
2. 84
3. 54
4. 72
5. None of these
2. 31, 40, 58, 85, 121, ?
1. 166
2. 175
3. 157
4. 184
5. None of these
Set 6
Directions (1–5):What should come in place of the question mark (?) in the following number series?
1. 36, 37, 46, 71, ?, 201, 322
1. 120
2. 107
3. 135
4. 96
5. None of these
2. 12, 20, 100, ?, 8900, 88900, 888900
1. 1000
2. 900
3. 800
4. 00
5. None of these
3. 7, 7, 14, 42, 168, ?, 5040
1. 672
2. 850
3. 740
4. 800
5. None of these
4. 21, 30, 12, 39, 3, ?, -6
1. 66
2. 12
3. 48
4. 75
5. None of these
5. 10, 24, 52, ?, 220, 444, 892
1. 104
2. 98
3. 112
4. 108
5. None of these

1. rbi interview schedule out..

2. explain set 1 plzzz

4. one hell of a sets can u provide answers for them ?

5. Any chance of SBI clerk result coming out this week?

6. Hello friends is there any easy method to solve these number series and error detection.I always stuck here in the exam.

7. ha ha... hope for the best... Deewali will be started for the aspirants in the first week of November Madhu. :D
IBPS RRB Officer Scale I, Assistants & SBI clerks results will be disclosed in the 1st week of November :P
All the best dude :) ;)

8. plz provide computer imp que or short master material

9. did u checked ur marks ?

10. I don't think so... o.O

11. Which question u want to solve ..tell me ..I can help