We are providing the most important Number Series (Missing/Wrong Number) Questions for SBI PO 2019, SBI Clerk 2019 and all other competitive bank and insurance exams. These questions have very high chances to be asked in SBI PO 2019, SBI Clerk 2019.
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Directions:(1-5) Find the wrong term in the series given below.
1. 151, 127, 105, 85, 63, 51
2. 3, 18, 54, 105, 173, 258
3. 338, 210, 118, 56, 10, -2
4. 58, 74, 94, 112, 134
5. 6, 9, 15, 21, 36, 39
Directions:(6-10) Find the next term in the series.
6. 32.0, 80.0, 280.0, 1260.0, 6930.0, ?
7. 406, 626, 896, 1216, 1586, ?
8. 22, 33, 46, 61, 78, ?
9. 262144, 32768, 4096, 512, 64, ?
10. 133, 144, 153, 160, 165, ?
Check your Answers below:
Directions:(1-5) Find the wrong term in the series given below.
1. Question
151, 127, 105, 85, 63, 51
Ans:3
The pattern is as follows:122 + 7 = 151
112 + 6 = 127
102 + 5 = 105
92 + 4 = 85
82 + 3 = 67
72 + 2 = 51
2. Question
3, 18, 54, 105, 173, 258
Ans:5
The pattern is as follows:3 + 17 x 1 = 20
20 + 17 x 2 = 54
54 + 17 x 3 = 105
105 + 17 x 4 = 173
173 + 17 x 5 = 258
3. Question
338, 210, 118, 56, 10, -2
Ans:2
The pattern is as follows:73 – 5 = 338
63 – 6 = 210
53 – 7 = 118
43 – 8 = 56
33 – 9 = 18
23 – 10 = -2
4. Question
58, 74, 94, 112, 134
Ans:5
The pattern is as follows:6 x 8 + 10 = 58
7 x 9 + 11 = 74
8 x 10 + 12 = 92
9 x 11 + 13 = 112
10 x 12 + 14 = 134
5. Question
6, 9, 15, 21, 36, 39
Ans:3
The pattern is 3 being multipled by consecutive prime numbers:3 x 2 = 6
3 x 3 = 9
3 x 5 = 15
3 x 7 = 21
3 x 11 = 33
3 x 13 = 39
Directions:(6-10) Find the next term in the series.
6. Question
32.0, 80.0, 280.0, 1260.0, 6930.0, ?
Ans:3
The pattern is as follows:32 x 2.5 = 80.0
80 x 3.5 = 280.0
280 x 4.5 = 1260.0
1260 x 5.5 = 6930.0
6930 x 6.5 = 45045.0
7. Question
406, 626, 896, 1216, 1586, ?
Ans:1
The pattern is as follows:192 + 45 = 406
242 + 50 = 626
292 + 55 = 896
342 + 60 = 1216
392 + 65 = 1586
442 + 70 = 2006
8. Question
22, 33, 46, 61, 78, ?
Ans:2
The pattern is as follows:7 x 3 + 1 = 22
8 x 4 + 1 = 33
9 x 5 + 1 = 46
10 x 6 + 1 = 61
11 x 7 + 1 = 78
12 x 8 + 1 = 97
9. Question
262144, 32768, 4096, 512, 64, ?
Ans:4
The pattern is as follows:262144/8 = 32768
32768/8 = 4096
4096/8 = 512
512/8 = 64
64/8 = 8
10. Question
133, 144, 153, 160, 165, ?
Ans:1
The pattern is as follows:19 x 7 = 133
18 x 8 = 144
17 x 9 = 153
16 x 10 = 160
15 x 11 = 165
14 x 12 = 168