Probability PYQs - Last 5 Years
IAT (IISER) / Mathematics / Algebra / 5 recent questions
MathematicsAlgebra2022-2026
Practice 5 IAT (IISER) Mathematics questions from Probability. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
5
PYQs on Page
Mathematics / Algebra
2022-2026
Year Range
Based on indexed question metadata
5
Last 5 Years
2022-2026
5
Last 10 Years
2017-2026
Recent Year Trend
2022
2023
2024
2025
2026Latest year
20221 max PYQs/year2026
Question Types
5PYQs
MCQ100%
Difficulty Mix
#1 Unknown5
5 in last 5 years5 in last 10 years
Last 5 Years Probability Questions
Showing 5 of 5 filtered questions.
1Probability
Suppose there are two boxes $B_1$ and $B_2$, each having 3 red and 4 black balls. One ball is drawn at random from $B_1$. If it is red, 4 red balls are put into $B_2$, otherwise 3 black balls are put into $B_2$. Then one ball is randomly dr...
MCQ+4 / -12026
2Probability
Five fair coins are tossed independently. What is the probability that at least two heads appear?
MCQ+4 / -12025
3Probability
A ship sets off on a voyage with three engines, labelled $A, B$, and $C$, which work independently. The ship can complete the voyage only if at least two of these engines keep working. The probability that engine $A$ breaks down is $1 / 4$,...
MCQ+4 / -12024
4Probability
Consider three biased coins. Let the probability of getting head be $\frac{1}{3}$ and the probability of getting tail be $\frac{2}{3}$ in each of the coins. Consider the experiment of tossing the threee coins one by one, and the following e...
MCQ+4 / -12023
5Probability
A randomly chosen card from a deck of 52 cards is given to be a black card (Spade or Club). What is the probability that it is either a face card (King, Queen or Jack) or a Spade?
MCQ+4 / -12022