Difficulty distribution
How the classified questions are distributed by difficulty.
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Practice Permutations And Combinations - 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 Permutations And Combinations. 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 2024 | 2024 | 2 | View paper |
| BITSAT 2023 | 2023 | 2 | View paper |
| BITSAT 2022 | 2022 | 2 | View paper |
| BITSAT 2021 | 2021 | 1 | View paper |
| BITSAT 2020 | 2020 | 3 | View paper |
Practice every matching question in batches of 20, with every available option.
The number of numbers divisible by 3 that can be formed by four different even digits is
How many three digit number satisfy the property that the middle digit is arithmetic mean of the first and the last digit.
If 4 dice are rolled, then the number of ways of getting the sum 10 is
The maximum number of points of intersection of 10 circles is :
The number of different seven-digit numbers that can be written using only the three digits 1, 2 and 3 with the condition that the digit 2 occurs twice in each number is
The number of ways of arranging letters of the word HAVANA so that V and N do not appear together is
The number of different 6-digit numbers in which only and all the five digits \(1,3,5,7\) and 9 appear is
The number of words (with or without meaning) that can be formed from all the letters of the word "LETTER" in which vowels never come together is