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Computer — Cyber Security Basics and Computer Abbreviations MCQs
Practice Computer — Cyber Security Basics and Computer Abbreviations multiple-choice questions for FIA competitive exams. Each question includes the correct answer and a short explanation, and past-paper questions are marked so you can revise both repeated and fresh material in one place.
97
101
95
93
ExplanationThe pattern is multiplying the previous number by 2 and adding 1 ($n imes 2 + 1$). The next number is $47 imes 2 + 1 = 95$.
41
39
43
45
ExplanationThe differences are +4, +6, +8, +10. The next difference must be +12, making the next term $31 + 12 = 43$.
35
36
38
37
ExplanationThe pattern is $n^2 + 1$. The next number is $6^2 + 1 = 37$.
30
36
49
32
ExplanationThis is a simple series of squares ($n^2$). The next number is $6^2 = 36$.
139
169
159
149
ExplanationThe pattern involves multiplying the previous number by 2 and adding 1, then adding 2 to the result. (4*2+1+3 = 12, but this is simpler: (9-4)*2+9 = 18, this pattern is (n*2 + n-1)). The difference between consecutive terms is 5, 10, 20, 40. The next difference is 80. 79 + 80 = 159.
35
39
41
37
ExplanationThe sequence follows the pattern n^2 + 1. The missing number is 6^2 + 1 = 36 + 1 = 37.
40
42
38
39
ExplanationThe difference between consecutive terms increases by 2 (3, 5, 7, 9, 11). Therefore, the next number is 27 + 11 = 38.
102
108
110
112
ExplanationThe difference between consecutive terms doubles (7, 14, 28, 56). The next term is 54 + 56 = 110.
127
115
129
131
ExplanationThe pattern involves multiplying the previous number by 2 and adding 3 (or adding powers of 2: +4, +8, +16, +32). 65 + 64 = 129.
37
38
39
40
ExplanationThe pattern is based on squares plus one (n^2 + 1). The next number is 6^2 + 1 = 36 + 1 = 37. Wait, the gap suggests n^2 + 1. Let's check the difference: 3, 5, 7, 9. The next difference must be 11. So, 26 + 11 = 37. (Correction: Let's re-evaluate the series: 2, 5, 10, 17, 26. Differences: 3, 5, 7, 9. The next difference is 11. So, 26 + 11 = 37.)
222
220
224
230
ExplanationThe pattern is (previous number * 2) + 2. So, 110 * 2 + 2 = 222, but the intended pattern is 2*n + 2. Wait, the pattern is n * 2 + 2: 5*2 + 2 = 12; 12*2 + 2 = 26; 26*2 + 2 = 54; 54*2 + 2 = 110 (Incorrect). The correct pattern is (previous number * 2) + 2. Let's recheck: 5*2 + 2 = 12; 12*2 + 2 = 26; 26*2 + 2 = 54; 54*2 + 2 = 110. This is consistent. Next number: 110 * 2 + 2 = 220 + 2 = 222. Let's re-examine the options and series carefully. If the series is 5, 12, 26, 54, 110. Differences: 7, 14, 28, 56. The multiplier is 2. Next difference: 56 * 2 = 112. 110 + 112 = 222. Re-checking the options, 222 is B. There might be a typo in the provided options or question itself. Assuming 222 is the correct answer based on the difference pattern (n * 2 + 2). If we stick strictly to the options provided and assume one of them is correct: The sequence is 5, 12, 26, 54, 110. The differences are 7, 14, 28, 56. The next difference must be 112. 110 + 112 = 222. Given the constraint to choose one of the provided options, let's assume there was a typo in the question's given options and select B: 222.
36
34
31
35
ExplanationThis is a Fibonacci sequence where each number is the sum of the two preceding numbers (5+8=13; 8+13=21; 13+21=34). Wait, the next number is 21+13=34. The pattern is 2, 3, 5, 8, 13, 21, 34. Since 34 is an option, we select (B). (Correction based on re-evaluation: The pattern is Fibonacci. 21 + 13 = 34. Thus, 34 is the answer.)
128
95
127
131
ExplanationThe pattern involves doubling the previous term and adding 1 (N * 2 + 1). The next number is 63 * 2 + 1 = 127.
99
95
101
92
ExplanationThe difference between consecutive terms doubles each time (+3, +6, +12, +24). The next difference must be 48. Therefore, 47 + 48 = 95.
35
30
40
37
ExplanationThe pattern involves adding consecutive odd squares (3^2, 5^2, 7^2...). The next number is 37 (26 + 11 = 37).
63
47
64
55
ExplanationThis is a powers of two minus one sequence (2^n - 1). The next number is 2^6 - 1 = 63.
35
33
31
29
ExplanationThe pattern involves adding consecutive even numbers plus two: +2, +4, +6, +8, +10. (23 + 10 = 33).
133
215
126
216
ExplanationThis is the series of cubes (n³): 1³=1, 2³=8, 3³=27, 4³=64, 5³=125, 6³=216.
67
53
55
65
ExplanationThe pattern is based on adding powers of 2 (2, 4, 8, 16, 32...). 33 + 32 = 65.
112
100
122
92
ExplanationThe differences are 8, 18, 24, 30. If the sequence of differences repeats the last step's increase (i.e., adding 30 again), the next number is 82 + 30 = 112.
41
35
33
37
ExplanationThe difference between consecutive terms increases by 2 each time: (+2, +4, +6, +8, +10). Thus, 23 + 14 = 37.
88
96
90
94
ExplanationThe pattern is multiplication by 2 and adding 2 (2*2+6=10, 10*2+2=22, 22*2+2=46). The next term is (46*2) + 2 = 92 + 2 = 94.
31
37
39
35
ExplanationThe difference between consecutive terms increases by 2 each time (2, 4, 6, 8, 10). The next number is 23 + 8 = 31.
22
20
18
16
ExplanationThe series alternates between two sub-series: (2, 3, 4, 5, ...) and (10, 12, 14, ?, ...). The next number in the second sub-series is 14 + 2 = 16.
61
48
55
50
ExplanationThe pattern is n^2 + 1. The next number is 6^2 + 1 = 37 + 9 = 55.
33
32
35
34
ExplanationThis is a Fibonacci-like sequence where each term is the sum of the two preceding terms (13 + 21 = 34).
8
7
8
9
ExplanationThis is an alternating series. The odd-positioned terms are 1, 2, 3, ... (increasing by 1). The even-positioned terms are 5, 6, 7, ... (increasing by 1). Assuming the series continues to the next logical term (the 8th term), it follows the even pattern: 8.
33
37
32
35
ExplanationThe differences between consecutive terms are 2, 4, 6, and 8. Following this pattern, the next difference must be 10. Therefore, the next term is found by adding 10 to the last term: 25 + 10 = 35.
35
41
34
37
ExplanationThis is an arithmetic progression with a common difference of 6 (11-5=6, 17-11=6, etc.). The next number is 29 + 6 = 35.
55
49
67
65
ExplanationThe pattern is determined by the differences between consecutive terms. The differences are +2, +4, +8, +16, which are powers of 2. The next difference must be 32. Therefore, the next term is 33 + 32 = 65.
40
48
42
36
ExplanationThe pattern is based on the product of consecutive integers, $n(n+1)$. The series follows $2(1)$, $3(2)$, $4(3)$, $5(4)$, $6(5)$. The next term is $7(6) = 42$.
15
17
19
13
ExplanationThe series consists of consecutive prime numbers (the smallest prime number greater than 11 is 13).
36
49
32
30
ExplanationThis is the sequence of squares of natural numbers ($n^2$): $1^2, 2^2, 3^2, 4^2, 5^2$. The next term is $6^2$, which is 36.
22
21
19
20
ExplanationThe difference between consecutive terms increases by one sequentially (3-1=2, 6-3=3, 10-6=4, 15-10=5. The next difference must be 6, so 15 + 6 = 21).
27
37
31
35
ExplanationThe differences between consecutive terms form an arithmetic progression: 2, 4, 6, 8. The next difference must be 10, so the next term is $21 + 10 = 31$.
50
44
42
38
ExplanationThe differences between terms form a sequence (2, 4, 6, 10...). The next difference is found by adding the previous two differences (6 + 10 = 16). Therefore, 26 + 16 = 42.
Frequently Asked Questions
Are these Computer — Cyber Security Basics and Computer Abbreviations MCQs free?
Yes. Every Computer — Cyber Security Basics and Computer Abbreviations MCQ on this page is free to practice, including the correct answer and explanation.
Do these include past-paper questions?
Yes — questions sourced from past papers are clearly marked with a "Past Paper" badge, alongside fresh practice questions.
Which exams do these Computer — Cyber Security Basics and Computer Abbreviations MCQs help with?
They are aimed at FIA and related Pakistani competitive exams that test Computer — Cyber Security Basics and Computer Abbreviations.
How should I practice subject-wise MCQs?
Attempt each question first, then reveal the answer and read the explanation. Short, focused sessions on one subject work better than long unstructured reading.