Question
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 numberof friends (i.e., invitees) be same and each party must have different set of person. Then how many parties can Salman?
More Permutation and combination Questions
- Using all the letters of the word IMPACT, how many words start with a vowel but end with a consonant?
- How many 4-digit even numbers can be formed using digits 1, 2, 3, 4, 5, 6 without repetition?
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- How many different nine digit numbers can be formed from the number 66 55 99 222 by rearranging its digits so that the odd digits occupy even positions onl...
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- How many different arrangements of the letters of the word BALLOON are possible if all vowels are together?
- Count the number of “words” from MISSISSIPPI when all the vowels occur together.
- How many four-letter words without repetition having exactly two vowels can be formed by using the letters of the word "NATURES"?
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