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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-5 section-2

Each section contains 100 MCQs on Number Series Completion .
41
Find the missing number:- 0.5, 0.55, 0.65, 0.8, ?
Discuss
Answer & Solution
Answer: Option C
Solution:
The pattern is + 0.05, + 0.10, + 0.15,................
So, missing term = 0.8 + 0.20 = 1
42
Find the missing term: 9, 27, 31, 155, 161, 1127, ?
Discuss
Answer & Solution
Answer: Option B
Solution:
The pattern is × 3, + 4, × 5, + 6, × 7,
So, missing term = 1127 + 8 =1135
43
Find the missing term: 5, 6, 9, 15, ?, 40
Discuss
Answer & Solution
Answer: Option B
Solution:
The pattern is + 1, + 3, + 6, ............i.e., + 1, + (1 + 2) + (1 + 2 + 3)...............
So, missing term = 15 + (1 + 2 +3 +4) = 25
44
Find the missing term :- 3, 15, ?, 63, 99, 143
Discuss
Answer & Solution
Answer: Option B
Solution:
The terms of the given series are (22 - 1), (42 - 1),................,(82 - 1), (102 - 1), (122 - 1)
So, missing term = (62 - 1) = (36 - 1) = 35
45
Find the missing term: 2, 3, 5, 7, 11, ?, 17
Discuss
Answer & Solution
Answer: Option B
Solution:
Clearly, the given series consists of prime numbers starting from 2. So, the missing term is the prime number after 11, which is 13.
46
Find the missing term :- 2, 3, 3, 5, 10, 13, ?, 43, 172, 177
Discuss
Answer & Solution
Answer: Option C
Solution:
The pattern is + 1, × 1, + 2, × 2, + 3, × 3, + 4, × 4, + 5
So, missing term = 13 × 3 = 39
47
Find the missing term: 563, 647, 479, 815, ?
Discuss
Answer & Solution
Answer: Option D
Solution:
The pattern is + 84, - 168, + 336, .....i.e., + 84, - (84 × 2), + (84 × 22 ),.................
So, missing term = 815 - (84 × 23 ) = 815 - 672 = 143
48
Find the missing term, 4, 9, 25, ?, 121, 169, 289, 361
Discuss
Answer & Solution
Answer: Option A
Solution:
The given series consists of squares of consecutive prime numbers i.e., 22 , 32 , 52 ,.....................,112 , 132 , 172 , 192
So, missing term = 72 = 49
49
Find the missing term :- 240, ?, 120, 40, 10, 2
Discuss
Answer & Solution
Answer: Option B
Solution:
The pattern is ÷ 1, ÷ 2, ÷ 3, ÷ 4, ÷ 5
So, missing term = 240 ÷ 1 = 240
50
Find the missing term :- 1, 9, 25, 49, 81, ?
Discuss
Answer & Solution
Answer: Option C
Solution:
The series consists of squares of consecutive odd numbers i.e., 12 , 32 , 52 , 72 , 92 ,..............
So, missing term = 112 = 121