Question
A man has 15 friends out of which 7 are his relatives. In how many ways can he invite his 9 friends in which at least 5 must be his relatives?
More Permutation and combination Questions
- A group of 5 students is to be selected from 6 boys and 5 girls. Find the number of ways to form team such that the team consists of at most 2 boys.
- How many 4-digit even numbers can be formed using digits 1, 2, 3, 4, 5, 6 without repetition?
- Find total number of ways in which the word “AGGRESSION” can be arranged.
- How many three-letter words can be formed such that all letters are vowels, and no two letters are the same?
- How many 5-digit numbers can be formed from 1,2,3,4,5,6 if the number is divisible by 4 and digits do not repeat?
- A committee of 5 members is to be formed out of 6 men and 4 women. In how many ways can a committee consisting of atleast 1 woman be formed?
- Find the no. of words formed by using all the letter of the word DISCOUNT, so that the vowels are never together?
- A team of 6 members is to be formed from a group of 8 boys and 5 girls. Find the number of ways to form team such that the team consists of at most 2 girls...
- How many 4-digit numbers can be formed using digits 1–9 if repetition is not allowed and the number is even?
- How many different ways can the letters of the word ‘DEMONETIZATION’ be arranged?
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