Difficulty distribution
How the classified questions are distributed by difficulty.
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Practice Probability - Algebra - Mathematics previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
Every graph below is calculated only from this selection.
Year-wise coverage for Probability. Each bar uses a separate theme-derived color.
How the classified questions are distributed by difficulty.
MCQ, numerical, multiple-select and other formats found in these papers.
Top subjects by unique question coverage.
Top topics across the included previous year papers.
Top subtopics inside this exact selection.
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| BITSAT 2025 | 2025 | 3 | View paper |
| BITSAT 2024 | 2024 | 2 | View paper |
| BITSAT 2023 | 2023 | 1 | View paper |
| BITSAT 2022 | 2022 | 1 | View paper |
| BITSAT 2021 | 2021 | 3 | View paper |
Practice every matching question in batches of 20, with every available option.
Box I contains 5 red and 2 blue balls, while box II contains 2 red and 6 blue balls. A fair coin is tossed. If it turns up head, a ball is drawn from box I, else a ball is drawn from box II. The probability ball drawn is from box I, if it is blue, is
Two cards are drawn from a pack of 52 cards. What is the probability that either both are red or both are kings?
If A and B are two independent events such that \(P(A) = {1 \over 2}\) and \(P(B) = {1 \over 5}\), then which of the following is correct?
A six faced die is a biased one. It is thrice more likely to show an odd numbers than show an even number. It is thrown twice. The probability that the sum of the numbers in two throws is even, is
A six faced die is a biased once. It is thrice more likely to show an odd number, then show an even number. It is thrown twice. The probability that the sum of the number in two throws is odd, is
In a binomial distribution, the mean is 10 and the variance is 6 . Then, its median is
A four digit number is formed with digits $1,3,4$, 5 with no repetition. What is the probability that the number is divisible by 5 ?
What is the probability of getting a sum of 9 in a single throw of three fair dice?