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Number Series Completion - General Inteligence & Reasoning MCQ Questions and Answers

Learn Number Series Completion mcq questions and answers with easy and logical explanations - Number Series Completion is part of competitive reasoning mcq questions. Page-2 section-3

Each section contains 100 MCQs on Number Series Completion .
11
Find out the wrong term: 1, 2, 4, 8, 16, 32, 64, 96,
Discuss
Answer & Solution
Answer: Option D
Solution:
Each term of the series is obtained by multiplying the preceding term by 2.
So, 96 is wrong and must be replaced by (64 × 2) i.e., 128.
12
Find out the wrong term: 125, 126, 124, 127, 123, 129
Discuss
Answer & Solution
Answer: Option D
Solution:
The correct pattern is + 1, - 2, + 3, - 4, + 5.
So, 129 is wrong and must be replaced by (123 + 5) i.e., 128
13
Find out the wrong term: 15, 16, 22, 29, 45, 70
Discuss
Answer & Solution
Answer: Option B
Solution:
The correct pattern is + 1, + 4, + 9, + 16, + 25 i.e., + 12 , + 22 , + 32 , + 42 , + 52.
So, 22 is wrong and must be replaced by (16 + 4) i.e., 20.
14
Find out the wrong term: 105, 85, 60, 30, 0, - 45, - 90
Discuss
Answer & Solution
Answer: Option C
Solution:
The correct pattern is - 20, - 25, - 30, ............
So, 0 is wrong and must be replaced by (30 - 35) i.e., - 5.
15
Find out the wrong term: 56, 58, 62, 70, 84, 118, 182
Discuss
Answer & Solution
Answer: Option C
Solution:
The correct pattern is + 2, + 4, + 8, + 16, + 32, + 64 i,e., + 2, + 22 , + 23 , + 24 , + 25 , + 26.
So, 84 is wrong and must be replaced by (70 + 16) i.e., 86.
16
Find out the wrong term: 325, 259, 202, 160, 127, 105, 94
Discuss
Answer & Solution
Answer: Option C
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.
17
Find out the wrong term: 3, 4, 10, 32, 136, 685, 4116
Discuss
Answer & Solution
Answer: Option B
Solution:
The correct pattern is × 1 + 1, × 2 + 2, × 3 + 3, × 4 + 4, ..........
So, 32 is wrong and must be replaced by (10 × 3 + 3) i.e., 33.
18
Find out the wrong term: 380, 188, 92, 48, 20, 8, 2
Discuss
Answer & Solution
Answer: Option C
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.
19
Find out the wrong term: 2, 6, 24, 96, 285, 568, 567
Discuss
Answer & Solution
Answer: Option B
Solution:
The correct pattern is ×6 -6, ×5 -5, ×4 -4, ×3 -3, . . . . .
So, 24 is wrong and must be replaced by (6 × 5 - 5) i.e., 25
20
Find out the wrong term: 89, 78, 86, 80, 85, 82, 83
Discuss
Answer & Solution
Answer: Option C
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.