IOQM · Mathematics · Combinatorics
Permutations and Combinations
nPr, nCr, restricted arrangements, circular permutations and grouping.
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- Previous papers: 10 official question papers from HBCSE-TIFR (Mathematical Olympiad Cell) — 2025, 2024, 2022-23, 2021-22 and 1 earlier year.
- Practice: 1 answer-checked practice question on Permutations and Combinations for IOQM — practise them.
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Take a full mock →Q1 · Permutations and Combinations · MEDIUM
In how many ways can 8 people be seated around a circular table such that two specific people, A and B, are not adjacent?