Chapter 7 – Permutation and Combination

2. Is 3 ! + 4 ! = 7 ! ? 2. Is 3 ! + 4 ! = 7 ! ? October 24, 2021 Category: Chapter 7 - Permutation and Combination , Maths , NCERT Exemplar Class 11 ,

1. Evaluate (i) 8 ! (ii) 4 ! – 3 ! 1. Evaluate (i) 8 ! (ii) 4 ! – 3 ! October 24, 2021 Category: Chapter 7 - Permutation and Combination , Maths , NCERT Exemplar Class 11 ,

6. Given 5 flags of different colours, how many different signals can be generated if each signal requires the use of 2 flags, one below the other? 6. Given 5 flags of different colours how many different signals can be generated if each signal requires the use of 2 flags one below the other? October [...]

5. A coin is tossed 3 times and the outcomes are recorded. How many possible outcomes are there? 5. A coin is tossed 3 times and the outcomes are recorded. How many possible outcomes are there? October 24, 2021 Category: Chapter 7 - Permutation and Combination , Maths , NCERT Exemplar Class 11 ,

4. How many 5-digit telephone numbers can be constructed using the digits 0 to 9 if each number starts with 67 and no digit appears more than once? 4. How many 5-digit telephone numbers can be constructed using the digits 0 to 9 if each number starts with 67 and no digit appears more than [...]

3. How many 4-letter code can be formed using the first 10 letters of the English alphabet, if no letter can be repeated? 3. How many 4-letter code can be formed using the first 10 letters of the English alphabet if no letter can be repeated? October 24, 2021 Category: Chapter 7 - Permutation and [...]

2. How many 3-digit even numbers can be formed from the digits 1, 2, 3, 4, 5, 6 if the digits can be repeated? 2 2. How many 3-digit even numbers can be formed from the digits 1 3% 4 5 6 if the digits can be repeated? October 24, 2021 Category: Chapter 7 - [...]

1. How many 3-digit numbers can be formed from the digits 1, 2, 3, 4 and 5 assuming that 1. How many 3-digit numbers can be formed from the digits 1 2 3% 4 and 5 assuming that October 24, 2021 Category: Chapter 7 - Permutation and Combination , Maths , NCERT Exemplar Class 11 [...]

Example 10 How many 4-digit numbers can be formed by using the digits 1 to 9 if repetition of digits is not allowed? Example 10 How many 4-digit numbers can be formed by using the digits 1 to 9 if repetition of digits is not allowed? October 24, 2021 Category: Chapter 7 - Permutation and [...]

Example 9 Find the number of permutations of the letters of the word ALLAHABAD. Example 9 Find the number of permutations of the letters of the word ALLAHABAD. October 24, 2021 Category: Chapter 7 - Permutation and Combination , Maths , NCERT Exemplar Class 11 ,