My Cart
Your Cart 0

    Your cart is empty.

  • Total (Amount) ₹0.00
Previous year question hub

Probability and Statistics - Engineering Mathematics - Computer Science & Information Technology Previous Year Questions

Practice Probability and Statistics - Engineering Mathematics - Computer Science & Information Technology previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

26Papers
16Years
55Questions
1Topics

Probability and Statistics question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Probability and Statistics. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 41 74.5%
Medium 12 21.8%
Hard 2 3.6%

Question type distribution

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

MCQ 28 50.9%
Numerical Answer Type (NAT) 24 43.6%
MSQ 3 5.5%

Subject weightage

Top subjects by unique question coverage.

Computer Science & Information Technology
55 Qs

Most asked topics

Top topics across the included previous year papers.

Engineering Mathematics
55 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Probability and Statistics
55 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
2 Qs
Computer Science & Information Technology (CS) 2025 [Session 1]
3 Qs
Computer Science & Information Technology (CS) 2025 [Session 2]
2 Qs
Computer Science & Information Technology (CS) 2024 [Session 1]
3 Qs
Computer Science & Information Technology (CS) 2024 [Session 2]
2 Qs
Computer Science & Information Technology (CS) 2023 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2021 [Session 1]
3 Qs
Computer Science & Information Technology (CS) 2021 [Session 2]
3 Qs
Computer Science & Information Technology (CS) 2020 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2019 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2018 [Session 2]
2 Qs
Computer Science & Information Technology (CS) 2017 [Session 2]
3 Qs
Computer Science & Information Technology (CS) 2016 [Session 1]
1 Qs
Computer Science & Information Technology (CS) 2016 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2014 [Session 2]
3 Qs
Computer Science & Information Technology (CS) 2014 [Session 1]
2 Qs
Computer Science & Information Technology (CS) 2014 [Session 3]
1 Qs
Computer Science & Information Technology (CS) 2013 [Session 1]
4 Qs
Computer Science & Information Technology (CS) 2013 [Session 3]
3 Qs
Computer Science & Information Technology (CS) 2013 [Session 4]
3 Qs
Computer Science & Information Technology (CS) 2013 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2010
3 Qs
Computer Science & Information Technology (CS) 2009
1 Qs
Computer Science & Information Technology (CS) 2008
2 Qs
Computer Science & Information Technology (CS) 2007
2 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Computer Science and Information Technology (CS) 202620262View paper
Computer Science and Information Technology (CS) 202620262View paper
Computer Science & Information Technology (CS) 2025 [Session 1]20253View paper
Computer Science & Information Technology (CS) 2025 [Session 2]20252View paper
Computer Science & Information Technology (CS) 2024 [Session 1]20243View paper
Computer Science & Information Technology (CS) 2024 [Session 2]20242View paper
Computer Science & Information Technology (CS) 2023 [Session 2]20231View paper
Computer Science & Information Technology (CS) 2021 [Session 1]20213View paper
Computer Science & Information Technology (CS) 2021 [Session 2]20213View paper
Computer Science & Information Technology (CS) 2020 [Session 2]20201View paper
Computer Science & Information Technology (CS) 2019 [Session 2]20191View paper
Computer Science & Information Technology (CS) 2018 [Session 2]20182View paper
Computer Science & Information Technology (CS) 2017 [Session 2]20173View paper
Computer Science & Information Technology (CS) 2016 [Session 1]20161View paper
Computer Science & Information Technology (CS) 2016 [Session 2]20161View paper
Computer Science & Information Technology (CS) 2014 [Session 1]20142View paper
Computer Science & Information Technology (CS) 2014 [Session 2]20143View paper
Computer Science & Information Technology (CS) 2014 [Session 3]20141View paper
Computer Science & Information Technology (CS) 2013 [Session 1]20134View paper
Computer Science & Information Technology (CS) 2013 [Session 2]20131View paper
Computer Science & Information Technology (CS) 2013 [Session 3]20133View paper
Computer Science & Information Technology (CS) 2013 [Session 4]20133View paper
Computer Science & Information Technology (CS) 201020103View paper
Computer Science & Information Technology (CS) 200920091View paper
Computer Science & Information Technology (CS) 200820082View paper
Computer Science & Information Technology (CS) 200720072View paper

All Probability and Statistics previous year questions

Practice every matching question in batches of 20, with every available option.

1
2007 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2007
Suppose we uniformly and randomly select a permutation from the 20! permutations of 1,2,3,…,20. What is the probability that 2 appears at an earlier position than any other even number in the selected permutation?
Open complete paper
2
2007 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2007
What is the average length of the correct answer to Q.76?
Open complete paper
3
2008 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2008
Aishwarya studies either computer science or mathematics every day. If she studies computer science on a day, then the probability that she studies mathematics the next day is 0.6. If she studies mathematics on a day, then the probability that she studies computer science the next day is 0.4. Given that Aishwarya studies computer science on Monday, what is the probability that she studies computer science on Wednesday?
Open complete paper
4
2008 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2008
Let X be a random variable following normal distribution with mean +1 and variance 4. Let Y be another normal variable with mean -1 and variance unknown. If $P(X \le -1) = P(Y \ge 2)$, the standard deviation of Y is
Open complete paper
5
2009 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2009
An unbalanced dice (with 6 faces, numbered from 1 to 6) is thrown. The probability that the face value is odd is 90% of the probability that the face value is even. The probability of getting any even numbered face is the same.
If the probability that the face is even given that it is greater than 3 is 0.75, which one of the following options is closest to the probability that the face value exceeds 3 ?
Open complete paper
6
2010 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2010
Consider a company that assembles computers. The probability of a faulty assembly of any computer is p. The company therefore subjects each computer to a testing process. This testing process gives the correct result for any computer with a probability of q. What is the probability of a computer being declared faulty?
Open complete paper
7
2010 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2010

Choose the most appropriate word from the options given below to complete the following sentence: If we manage to ________ our natural resources, we would leave a better planet for our children.

Open complete paper
8
2010 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2010

5 skilled workers can build a wall in 20 days; 8 semi-skilled workers can build a wall in 25 days; 10 unskilled workers can build a wall in 30 days. If a team has 2 skilled, 6 semi-skilled and 5 unskilled workers, how long will it take to build the wall?

Open complete paper
9
2013 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2013 [Session 1]
Suppose p is the number of cars per minute passing through a certain road junction between 5 PM and 6 PM, and p has a Poisson distribution with mean 3. What is the probability of observing fewer than 3 cars during any given minute in this interval?
Open complete paper
10
2013 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2013 [Session 1]

Consider an undirected random graph of eight vertices. The probability that there is an edge between a pair of vertices is 1/2. What is the expected number of unordered cycles of length three?

Open complete paper
11
2013 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2013 [Session 1]

Out of all the 2-digit integers between 1 and 100, a 2-digit number has to be selected at random. What is the probability that the selected number is not divisible by 7?

Open complete paper
12
2013 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2013 [Session 1]

A tourist covers half of his journey by train at 60 km/h, half of the remainder by bus at 30 km/h and the rest by cycle at 10 km/h. The average speed of the tourist in km/h during his entire journey is

Open complete paper
13
2014 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2014 [Session 1]
Four fair six-sided dice are rolled. The probability that the sum of the results being 22 is X/1296. The value of X is ______.
Open complete paper
14
2014 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2014 [Session 1]
Suppose you break a stick of unit length at a point chosen uniformly at random. Then the expected length of the shorter stick is ________.
Open complete paper
15
2014 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2014 [Session 2]

The probability that a given positive integer lying between 1 and 100 (both inclusive) is NOT divisible by 2, 3 or 5 is ________.

Open complete paper
16
2014 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2014 [Session 2]
The security system at an IT office is composed of 10 computers of which exactly four are working. To check whether the system is functional, the officials inspect four of the computers picked at random (without replacement). The system is deemed functional if at least three of the four computers inspected are working. Let the probability that the system is deemed functional be denoted by \(p\). Then \(100p =\) _____________.
Open complete paper
17
2014 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2014 [Session 2]
Each of the nine words in the sentence “The quick brown fox jumps over the lazy dog” is written on a separate piece of paper. These nine pieces of paper are kept in a box. One of the pieces is drawn at random from the box. The expected length of the word drawn is _____________. (The answer should be rounded to one decimal place.)
Open complete paper
18
2014 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2014 [Session 3]
Let \(S\) be a sample space and two mutually exclusive events \(A\) and \(B\) be such that \(A \cup B = S\). If \(P(\cdot)\) denotes the probability of the event, the maximum value of \(P(A)P(B)\) is ___________.
Open complete paper
19
2016 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2016 [Session 1]
Consider the following experiment. Step 1. Flip a fair coin twice. Step 2. If the outcomes are (TAILS, HEADS) then output \(Y\) and stop. Step 3. If the outcomes are either (HEADS, HEADS) or (HEADS, TAILS), then output \(N\) and stop. Step 4. If the outcomes are (TAILS, TAILS), then go to Step 1. The probability that the output of the experiment is \(Y\) is (up to two decimal places) __________.
Open complete paper
20
2017 · Computer Science & Information Technology · Engineering Mathematics · Probability and Statistics
Computer Science & Information Technology (CS) 2017 [Session 2]
P and Q are considering to apply for a job. The probability that P applies for the job is \(\frac{1}{4}\), the probability that P applies for the job given that Q applies for the job is \(\frac{1}{2}\), and the probability that Q applies for the job given that P applies for the job is \(\frac{1}{3}\). Then the probability that P does not apply for the job given that Q does not apply for the job is
Open complete paper

Showing 20 of 47 questions