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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-4 section-3

Each section contains 100 MCQs on Number Series Completion .
31
In a given series one term is wrong or missing term: 1, 2, 5, 10, 17, 28
Discuss
Answer & Solution
Answer: Option B
Solution:
The correct sequence is + 1, + 3, + 5, + 7, + 9.
So, 28 is wrong and must be replaced by (17 + 9) i.e., 26.
32
In a given series one term is wrong or missing term: 0, 3, 8, 15, 24, 33
Discuss
Answer & Solution
Answer: Option D
Solution:
The correct pattern is + 3, + 5, + 7, + 9, + 11.
So, 33 is wrong and must be replaced by (24 + 11) i.e., 35.
33
In a given series one term is wrong or missing term: 2, 3, 5, 8, 13, 34
Discuss
Answer & Solution
Answer: Option A
Solution:
Clearly, each term of the series is the sum of the preceding two terms.
Now, 8 + 13 = 21 and 13 + 21 = 34.
So, the term 21 is missing.
34
In a given series one term is wrong or missing term: 1, 5, 11, 19, 29, 55
Discuss
Answer & Solution
Answer: Option B
Solution:
The correct sequence is + 4, + 6, + 8, + 10, ............
So, next term after 29 = 29 + 12 = 41.
The term after 41 will then be (41 + 14) i.e., 55.
∴ 41 is missing.
35
Find the missing term : 4, 6, 10, 16, 24, ?
Discuss
Answer & Solution
Answer: Option B
Solution:
1st term : 4
2nd term : 4 + 2 = 6
3rd term : 6 + 4 = 10
4th term : 10 + 6 = 16
5th term : 16 + 8 = 24
So,
6th term : 24 + 10 = 34
36
Find the missing term: 36, 34, 30, 28, 24, ?
Discuss
Answer & Solution
Answer: Option C
Solution:
According to the given question:
Number Series Completion mcq solution image
37
Find the missing term : 3, 5, 9, 17, ?
Discuss
Answer & Solution
Answer: Option A
Solution:
1st term : 3
2nd term : 3 + 2 = 5
3rd term : 5 + 4 = 9
4th term : 9 + 8 = 17
So,
5th term : 17 + 16 = 33
38
Find the missing term :9*2 : 9*9 : : 9*5 : ?
Discuss
Answer & Solution
Answer: Option B
Solution:
9 × 2 : 9 × 9 : : 9 × 5 : ?
18 : 81 : : 45 : 9 × 6
So. 9 × 6 will come in place of question mark.
39
Find the missing term : 1, 0, 3, 2, 5, 6, ?, 12, 9, 20
Discuss
Answer & Solution
Answer: Option C
Solution:
There are two series in the given question.
1st series: 1, 3, 5, 7, 9 ... ( each next term are generated by adding 2)
2nd series: 0, 2, 6, 12, 20 ... ( each next term are generated by adding 2n [where n=1,2,3,4...])
40
Find the missing term : 5, 16, 51, 158, ?
Discuss
Answer & Solution
Answer: Option C
Solution:
The series is as follows:
5 × 3 + 1 = 16
16 × 3 + 3 = 51
51 × 3 + 5 = 158
158 × 3 + 7= 481