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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) Find the wrong term in the series given below.
1. 21, 77, 211, 391, 697, 1077
2. 70, 132, 224, 354, 522
3. 176, 218, 234, 258, 340, 410
4. 14442, 5838, 2202, 800, 282, 98
5. 11.8, 12.6, 13.4, 14.3, 14.8
Directions:(6-10) Find the wrong term in the series given below.
6. 211, 213, 219, 237, 281, 405
7. 30, 39.0, 50.7, 67.91, 85.683, 111.3879
8. 77, 303, 475, 595, 677, 727
9. 76, 140, 110, 124, 116, 120
10. 77, 126, 164, 166, 202, 206
Check your Answers below:
Directions:(1-5) Find the wrong term in the series given below.
1. Question
21, 77, 211, 391, 697, 1077
The pattern adds the number to product of a prime number and the number following it:
21 + 7 x 8 = 77
77 + 11 x 12 = 209
209 + 13 x 14 = 391
391 + 17 x 18 = 697
697 + 19 x 20 = 1077
2. Question
70, 132, 224, 354, 522
The pattern is as follows:
43 + 6 = 70
53 + 7 = 132
63 + 8 = 224
73 + 9 = 352
83 + 10 = 522
3. Question
176, 218, 234, 258, 340, 410
The series adds the product of the digits to the previous number:
176 + 42 = 218
218 + 16 = 234
234 + 24 = 258
258 + 80 = 338
338 + 72 = 410
4. Question
14442, 5838, 2202, 800, 282, 98
The pattern is shown below:
14442/3 + 45 = 5838
5838/3 + 44 = 2202
2202/3 + 43 = 798
798/3 + 42 = 282
282/3 + 41 = 98
5. Question
11.8, 12.6, 13.4, 14.3, 14.8
The pattern is shown below:
√140= 11.8
√160= 12.6
√180= 13.4
√200= 14.1
√220= 14.8
6. Question
6. 211, 213, 219, 237, 281, 405
The next term is obtained by adding the number to the product of its digits.
211 + 2 = 213
213 + 6 = 219
219 + 18 = 237
237 + 42 = 279
279 + 126 = 405
7. Question
30, 39.0, 50.7, 67.91, 85.683, 111.3879
The pattern is as follows:
30 x 1.3 = 39.0
39.0 x 1.3 = 50.7
50.7 x 1.3 = 65.91
65.91 x 1.3 = 85.683
85.683 x 1.3 = 111.3879
8. Question
77, 303, 475, 595, 677, 727
The pattern is as follows:
77 + 152 + 1 = 303
303 + 132 + 1 = 473
473 + 112 + 1 = 595
595 + 92 + 1 = 677
677 + 72 + 1 = 727
9. Question
76, 140, 110, 124, 116, 120
From the 3rd number, each successive term is average of previous 2 terms:
(76 + 140)/2 = 108
(140 + 108)/2 = 124
(108 + 124)/2 = 116
(124 + 116)/2 = 120
10. Question
77, 126, 164, 166, 202, 206
The next term is obtained by adding the number to the square of the last digit of the previous number.
77 + 72 = 126
126 + 62 = 162
162 + 22 = 166
166 + 62 = 202
202 + 22 = 206
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