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Series Completion  05
01.
One term in the number series is wrong. Find out the wrong term.
1236, 2346, 3456, 4566, 5686
1
1236
2
3456
3
4566
4
5686
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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
1
94
2
127
3
202
4
259
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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
1
83
2
82
3
86
4
78
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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
1
384
2
48
3
24
4
2
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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
1
28
2
32
3
64
4
132
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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
1
96
2
386
3
1536
4
6144
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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
1
30
2
45
3
52
4
66
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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
1
8
2
20
3
48
4
188
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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
1
15
2
39
3
63
4
127
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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
1
27
2
61
3
122
4
509
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Answer:
1
Explanation:
Solution:
The terms of the series are (2
^{3}
 3), (3
^{3}
 3), (4
^{3}
 3), (5
^{3}
 3), (6
^{3}
 3), (7
^{3}
 3),
(8
^{3}
3).
So, 27 is wrong and must be replaced (3
^{3}
 3) i.e. 24.
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