Series Completion - 05

01. One term in the number series is wrong. Find out the wrong term.
1236, 2346, 3456, 4566, 5686

  • 11236
  • 23456
  • 34566
  • 45686
Answer:- 1
Explanation:-

Solution:
The correct pattern in the series is + 1110.
So, 5686 is wrong and must be replaced by (4566 + 1110) i.e. 5676.

02. One term in the number series is wrong. Find out the wrong term.
325, 259, 202, 160, 127, 105, 94

  • 194
  • 2127
  • 3202
  • 4259
Answer:- 1
Explanation:-

Solution:
The correct pattern is - 66, - 55, - 44, - 33, - 22, - 11.
So, 202 is wrong and must be replaced by (259 - 55) i.e. 204.

03. One term in the number series is wrong. Find out the wrong term.
89, 78, 86, 80, 85, 82, 83

  • 183
  • 282
  • 386
  • 478
Answer:- 1
Explanation:-

Solution:
The correct pattern is - 11, + 9, - 7, + 5, - 3, + 1.
So, 86 is wrong and must be replaced by (78 + 9) i.e. 87.

04. One term in the number series is wrong. Find out the wrong term.
46080, 3840, 384, 48, 24, 2, 1

  • 1384
  • 248
  • 324
  • 42
Answer:- 1
Explanation:-

Solution:
The correct pattern is ÷ 12, ÷ 10, ÷ 8,÷ 6,.....
So, 24 is wrong and must be replaced by (48 + 6) i.e. 8.

05. One term in the number series is wrong. Find out the wrong term.
10, 14, 28, 32, 64, 68, 132

  • 128
  • 232
  • 364
  • 4132
Answer:- 1
Explanation:-

Solution:
The correct pattern is + 4, x 2, + 4, x 2, .....
So, 132 is wrong and must be replaced by (68 x 2) i.e. 136.

06. One term in the number series is wrong. Find out the wrong term.
24576, 6144, 1536, 386, 96, 24

  • 196
  • 2386
  • 31536
  • 46144
Answer:- 1
Explanation:-

Solution:
Each term of the series is obtained by dividing the preceding term by 4.
So, 1536 is wrong and must be replaced by (1536 + 4) i.e. 384.

07. One term in the number series is wrong. Find out the wrong term.
16, 22, 30, 45, 52, 66

  • 130
  • 245
  • 352
  • 466
Answer:- 1
Explanation:-

Solution:
The correct pattern is + 6, + 8, + 10, + 12, + 14.
So, 45 is wrong and must be replaced by (30 + 10) i.e. 40.

08. One term in the number series is wrong. Find out the wrong term.
380, 188, 92, 48, 20, 8, 2

  • 18
  • 220
  • 348
  • 4188
Answer:- 1
Explanation:-

Solution:
The correct pattern is - 192, - 96, - 48, - 24, - 12, - 6.
So, 48 is wrong and must be replaced by (92 - 48) i.e. 44.

09. One term in the number series is wrong. Find out the wrong term.
3, 7, 15, 39, 63, 127, 255, 511

  • 115
  • 239
  • 363
  • 4127
Answer:- 1
Explanation:-

Solution:
The correct pattern is x 2 + 1.
So, 39 is wrong and must be replaced by (15 x 2 + 1) i.e. 31.

10. One term in the number series is wrong. Find out the wrong term.
5, 27, 61, 122, 213, 340, 509

  • 127
  • 261
  • 3122
  • 4509
Answer:- 1
Explanation:-

Solution:
The terms of the series are (23 - 3), (33 - 3), (43 - 3), (53 - 3), (63 - 3), (73 - 3),
(83-3).
So, 27 is wrong and must be replaced (33 - 3) i.e. 24.

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