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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) What should come in place of the question mark (?) in the following number series?
1. -1, 5, 23, 59, 119, ?
2. 48, 64, 82, 102, ?, 148
3. 28, 77, 158, ?, 448, 673
4. 14, 42, 168, 840, ?, 35280
5. 2, 5, 17, 71, 359, ?
Directions:(6-10) Find the wrong term in the series given below.
6. 11, 18, 27, 40, 51
7. 145, 121, 93, 79, 61, 45
8. 2, 29, 83, 156, 272, 407
9. 40, 60, 100, 160, 220, 260
10. 508, 338, 210, 118, 50, 18
Check your Answers below:
Directions:(1-5) What should come in place of the question mark (?) in the following number series?
1. Question
-1, 5, 23, 59, 119, ?
The pattern is, (13 – 2) = -1, (23 – 3) = 5, (33 – 4) = 23, (43 – 5) = 59, (53 – 6) = 119, (63 – 7) = 209
2. Question
48, 64, 82, 102, ?, 148
The pattern is 9×5+3=48, 10×6+4=64, 11×7+5=82, 12×8+6=102, 13×9+7=124, 14×10+8=148
3. Question
28, 77, 158, ?, 448, 673
The pattern is 28+72=77, 77+92=158, 158+112=279, 279+132=448, 448+152=673
4. Question
14, 42, 168, 840, ?, 35280
14×3=42, 42×4=168, 168×5=840, 840×6=5040, 5040×7=35280
5. Question
2, 5, 17, 71, 359, ?
The pattern is
(2 X 2) + 1 = 5, (5 X 3) + 2 = 17, (17 X 4) + 3 = 71, (71 X 5) + 4 = 359, (359 X 6) + 5 = 2159
Directions:(6-10) Find the wrong term in the series given below.
6. Question
11, 18, 27, 40, 51
The pattern is as follows:
2 x 3 + 5 = 11
3 x 4 + 6 = 18
4 x 5 + 7 = 27
5 x 6 + 8 = 38
6 x 7 + 9 = 51
7. Question
145, 121, 93, 79, 61, 45
The pattern is as follows:
122 + 1 = 145
112 + 0 = 121
102 + -1 = 99
92 + -2 = 79
82 + -3 = 61
72 + -4 = 45
8. Question
2, 29, 83, 156, 272, 407
The pattern is as follows:
2 + 27 x 1 = 29
29 + 27 x 2 = 83
83 + 27 x 3 = 164
164 + 27 x 4 = 272
272 + 27 x 5 = 407
9. Question
40, 60, 100, 160, 220, 260
The pattern is 20 being multipled by consecutive prime numbers:
20 x 2 = 40
20 x 3 = 60
20 x 5 = 100
20 x 7 = 140
20 x 11 = 220
20 x 13 = 260
10. Question
508, 338, 210, 118, 50, 18
The pattern is as follows:
83 – 4 = 508
73 – 5 = 338
63 – 6 = 210
53 – 7 = 118
43 – 8 = 56
33 – 9 = 18