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Previous year question hub

Probability - General Aptitude (GA) Previous Year Questions

Practice Probability - General Aptitude (GA) previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

12Papers
8Years
20Questions
1Topics

Probability question pattern

Every graph below is calculated only from this selection.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 13 65%
Medium 7 35%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 15 75%
Numerical Answer Type (NAT) 5 25%

Subject weightage

Top subjects by unique question coverage.

General Aptitude (GA)
20 Qs

Most asked topics

Top topics across the included previous year papers.

Probability
20 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Elementary Statistics
20 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Computer Science and Information Technology (CS) 2026
2 Qs
Computer Science and Information Technology (CS) 2026
1 Qs
Computer Science & Information Technology (CS) 2025 [Session 1]
1 Qs
Computer Science & Information Technology (CS) 2022 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2021 [Session 1]
1 Qs
Computer Science & Information Technology (CS) 2018 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2017 [Session 1]
2 Qs
Computer Science & Information Technology (CS) 2017 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2015 [Session 1]
3 Qs
Computer Science & Information Technology (CS) 2015 [Session 2]
2 Qs
Computer Science & Information Technology (CS) 2015 [Session 3]
2 Qs
Computer Science & Information Technology (CS) 2012
3 Qs

Browse by subtopics

Open a focused page built from the same verified paper data.

Elementary Statistics

Explore previous-paper coverage, trends and focused practice for Elementary Statistics.

20 questions12 papers8 years

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Computer Science and Information Technology (CS) 20262026
1 questions in this view		2026
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Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science and Information Technology (CS) 20262026
2 questions in this view		2026
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2025 [Session 1]2025
1 questions in this view		2025
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2022 [Session 2]2022
1 questions in this view		2022
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2021 [Session 1]2021
1 questions in this view		2021
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2018 [Session 2]2018
1 questions in this view		2018
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2017 [Session 1]2017
2 questions in this view		2017
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2017 [Session 2]2017
1 questions in this view		2017
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2015 [Session 1]2015
3 questions in this view		2015
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2015 [Session 2]2015
2 questions in this view		2015
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2015 [Session 3]2015
2 questions in this view		2015
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 20122012
3 questions in this view		2012
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download

Sample previous year questions

A varied preview from the papers represented in this selection, with every available option.

1
2012 · General Aptitude (GA) · Probability · Elementary Statistics
Computer Science & Information Technology (CS) 2012
Q.21 Consider a random variable X that takes values +1 and −1 with probability 0.5 each. The values of the cumulative distribution function F(x) at x = −1 and +1 are
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2
2015 · General Aptitude (GA) · Probability · Elementary Statistics
Computer Science & Information Technology (CS) 2015 [Session 1]
Given Set A = {2, 3, 4, 5} and Set B = {11, 12, 13, 14, 15}, two numbers are randomly selected, one from each set. What is the probability that the sum of the two numbers equals 16?
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3
2015 · General Aptitude (GA) · Probability · Elementary Statistics
Computer Science & Information Technology (CS) 2015 [Session 2]
The probabilities that a student passes in Mathematics, Physics and Chemistry are m, p, and c respectively. Of these subjects, the student has 75% chance of passing in at least one, a 50% chance of passing in at least two and a 40% chance of passing in exactly two. Following relations are drawn in m, p, c:
(I) p + m + c = 27/20
(II) p + m + c = 13/20
(III) (p)×(m)×(c) = 1/10
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4
2015 · General Aptitude (GA) · Probability · Elementary Statistics
Computer Science & Information Technology (CS) 2015 [Session 3]
Consider a software program that is artificially seeded with 100 faults. While testing this program, 159 faults are detected, out of which 75 faults are from those artificially seeded faults. Assuming that both real and seeded faults are of same nature and have same distribution, the estimated number of undetected real faults is __________.
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5
2017 · General Aptitude (GA) · Probability · Elementary Statistics
Computer Science & Information Technology (CS) 2017 [Session 2]

There are 3 red socks, 4 green socks and 3 blue socks. You choose 2 socks. The probability that they are of the same colour is

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6
2018 · General Aptitude (GA) · Probability · Elementary Statistics
Computer Science & Information Technology (CS) 2018 [Session 2]

A six sided unbiased die with four green faces and two red faces is rolled seven times. Which of the following combinations is the most likely outcome of the experiment?

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