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fangtray
- Master | Next Rank: 500 Posts
- Posts: 273
- Joined: Thu Sep 08, 2011 6:50 am
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1. In how many ways can 5 rings be worn on the four fingers of the right hand?
2. Three math books, four english books, and four reasoning books are kept on a shelf. In how many ways can they be arranged so that the books of each type are always together?
3. How many 3 letter words can be constructed using all the 26 letters of the english alphabet if only the middle letter of each word is a vowel?
4. In how many ways can 5 identical black balls and 7 identical white balls be arranged in a row so that no 2 black balls are together?
5. In how many ways can all the 7 sweets be distributed to three friends Jack, Jill, and John so that Jill alway sgets 2 sweets and each of them gets at least one sweet?
6. In how many ways can 4 men and 4 women sit at a round table with no two women in a consectuive position?
7. In how many ways can one choose 6 cards from a normal deck of cards so as to have all suits present?
2. Three math books, four english books, and four reasoning books are kept on a shelf. In how many ways can they be arranged so that the books of each type are always together?
3. How many 3 letter words can be constructed using all the 26 letters of the english alphabet if only the middle letter of each word is a vowel?
4. In how many ways can 5 identical black balls and 7 identical white balls be arranged in a row so that no 2 black balls are together?
5. In how many ways can all the 7 sweets be distributed to three friends Jack, Jill, and John so that Jill alway sgets 2 sweets and each of them gets at least one sweet?
6. In how many ways can 4 men and 4 women sit at a round table with no two women in a consectuive position?
7. In how many ways can one choose 6 cards from a normal deck of cards so as to have all suits present?
