Question
Seven people are to be arranged on seven chairs. Among them, there are three friends who should not sit together. Find the number of valid arrangements.
More Permutation and combination Questions
- In how many ways can the letters of the word VOWEL can be arranged so that all the consonants occupy odd places, vowels come on even places?
- How many different ways can the letters of the word ‘DEMONETIZATION’ be arranged?
- In how many different ways can the letter of the word ‘STRONG’ be arranged?
- Count the number of “words” from MISSISSIPPI when all the vowels occur together.
- Find total number of ways in which the word “POSSESSION” can be arranged.
- In how many different ways can the letters of the word “DISCHARGE” be arranged in such a way that the vowels always come together?
- 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...
- Salman has a list of 12 friends. He wishes to invite some of them in such a manner that he can enjoy maximum number of parties, but in each party the numbe...
- A person has 12 friends out of which 7 are relatives. In how many ways can he invite 6 friends such that at least 4 of them are relatives?
- How many four-letter words without repetition having exactly two vowels can be formed by using the letters of the word "MONARCH"?
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