NCERT Mathematics · Class XI · Chapter 6
Permutations and Combinations
✓ Loaded 50 questions · 1989–2023 · 5 exams · Ready.
const TOTAL_Q = 50;
const YEAR_SPAN = 1989–2023;
const EXAMS = 5;
IIT-JEEJEE AdvancedJEE MainBITSATKVPY
- Fundamental Counting Principle
- Factorial Notation
- Permutations nPr
- Combinations nCr
- Circular Permutations
- Restricted P&C
- Division into Groups
- Multinomial Theorem
STEP 1: Identify — arrangement (nPr) or selection (nCr)?
STEP 2: Check for identical objects or circular constraints.
STEP 3: Timer starts on Q1 — average 2 min/question.
STEP 4: MathJax renders nCr notation — wait for it.
STEP 5: Review all → Submit.
// Score + topic analysis generated post-submission
Permutations and Combinations is a cornerstone of JEE probability and counting. These 50 authentic questions from 1989–2023 cover nPr, nCr, circular arrangements, restricted selections, and grouping — all high-frequency JEE topics.
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