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Answers of Chapter 7 Class 11 NCERT Book are provided with detailed step-by-step explanation of each question. Solutions of all questions, examples, miscellaneous of Chapter 7 Class 11 Permuations & Combinations are given for your reference.

Check the questions from the Exercises given below, or study the chapter concept wise way.

The topics in the chapter include

- What is a factorial notation?
- Fundamental Principle of Counting (or the Multiplication Principle)
- What is permutation?
- Solving questions using Permuations formula (
^{n}P_{r}) - Solving permutation questions when objects are repeating
- What is combinations?
- Difference between permutations and combinations
- Solving questions using Combination Property -
^{n}C_{r}+^{n}C_{r-1}=^{n+1}C_{r} - Solving questions using Combinations formula (
^{n}C_{r}) - Solving questions with both permutations and combinations

Click on an exercise or topic below to start.