Permutations and Combinations PYQs - Last 10 Years
IAT (IISER) / Mathematics / Algebra / 3 recent questions
MathematicsAlgebra2017-2026
Practice 3 IAT (IISER) Mathematics questions from Permutations and Combinations. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
3
PYQs on Page
Mathematics / Algebra
2023-2026
Year Range
Based on indexed question metadata
3
Last 5 Years
2022-2026
3
Last 10 Years
2017-2026
Recent Year Trend
2023
2025
2026Latest year
20231 max PYQs/year2026
Question Types
3PYQs
MCQ100%
Difficulty Mix
#1 Unknown3
3 in last 5 years3 in last 10 years
Last 10 Years Permutations and Combinations Questions
Showing 3 of 3 filtered questions.
1Permutations And Combinations
Let $r, l$ be two integers such that $r \geq l \geq 3$. What is the total number of functions$f : \{1, 2, \ldots, r\} \rightarrow \{1, 2, \ldots, r\}$such that $f(1), f(2), \ldots, f(l)$ are all distinct?
MCQ+4 / -12026
2Permutations And Combinations
How many three digit numbers divisible by 5 are there in which no digits are repeated?
MCQ+4 / -12025
3Permutations And Combinations
\(\text { What is the total number of distinct divisors of } 2^9 \times 3^{19} \text { ? }\)
MCQ+4 / -12023