Number Series Practice Tests (Arithmetic)

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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. 2 
5.  7.5
5. 16, 4, 2, 1.5, 1.75, 1.875
1. 1.875 
2. 1.75
3. 1.5
4. 2 
5. 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

Check Solutions for Above Problems from here

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