Question
The number of ways in which a committee of 3 ladies and 4 gentlemen can be appointed out of 8 ladies and 7 gentlemen If Mrs. X refuses to serve on a committee of which Mr. Y is a number is.
Secondary, If Mr. Y is not a member then, Mrs. X may be a member of then. Number of ways =8C3 ×6C4 
=56×15=840 Total number of ways=700+840=1540waysMore Permutation and combination Questions
- In an election, a voter may vote for any number of candidates not greater than the number to be chosen. There are 8 candidates and 5 members are to be chos...
- How many four-letter words without repetition having exactly two vowels can be formed by using the letters of the word "SCIENCE"?
- In a Group of 8 boys and 6 girls, Six children are to be selected. In how many different ways can they be selected such that at least one boy should be the...
- What will be the number of permutations of n different things, taken r at a time, where repeatition is allowed?
- How many different words can be formed with the letters of the word PRACTICE such that each of the word begin with E and ends with R?
- In how many ways will a team of 5 people be selected out of 12 people such that a specific person will always be selected, and a specific person will alway...
- Find the number of ways to arrange each letter of the word 'PROFESSION' such that all the vowels always come together.
- A team of 10 members is to be formed from 9 engineers and 6 doctors. Find the number of ways the team can be formed with at least 8 engineers.
- How many numbers of five digits may be formed with the digits 5, 0, 9, 0, and 6?
- A committee of 4 members is to be formed from 5 men and 4 women such that at least one woman is included. In how many ways can this be done?
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
