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# Chapter 7 Class 11 Permutations and Combinations

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 (nPr)
• Solving permutation questions when objects are repeating
• What is combinations?
• Difference between permutations and combinations
• Solving questions using Combination Property - nCr + nCr-1 = n+1Cr
• Solving questions using Combinations formula (nCr)
• Solving questions with both permutations and combinations

Click on an exercise or topic below to start.

## Concept wise

What's in it?

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 (nPr)
• Solving permutation questions when objects are repeating
• What is combinations?
• Difference between permutations and combinations
• Solving questions using Combination Property - nCr + nCr-1 = n+1Cr
• Solving questions using Combinations formula (nCr)
• Solving questions with both permutations and combinations

Click on an exercise or topic below to start.