JEE Mathematics · Intermediate
Permutations (P(n,r)): JEE Questions & Solutions
3 previous-year JEE Mathematics questions on Permutations (P(n,r)), each with a worked step-by-step solution.
Previous-year questions
- 01
The number of sequences of ten terms, whose terms are either 0 or 1 or 2, that contain exactly five 1’s and exactly three 2’s, is equal to:
MCQEasyJEE 2025 - 02
The number of numbers, strictly between 5000 and 10000, that can be formed using the digits 1, 3, 5, 7, 9 without repetition, is:
MCQEasyJEE 2023 - 03
If (2n+1)Pn-12nPn = 1121, then n^2 + n + 15 is equal to:
NVAMediumJEE 2023
Frequently asked questions
More Permutations & Combinations topics
Master Permutations (P(n,r)) with AI-adaptive practice.
Practice unlimited Permutations (P(n,r)) questions, track your mastery, and get every step explained by an AI tutor.