Question
A box contains 2 blue, 3 black and 5 orange balls. In how many ways can 3 balls be drawn from the box, if at least 1 black ball is to be included in the draw?
More Permutation and combination Questions
- A group consists of 10 boys and 10 girls. In how many ways can 6 boys and 4 girls be selected from the group?
- Count the number of “words” from MISSISSIPPI when all the vowels occur together.
- A team of 6 members is to be formed from a group of 7 boys and 6 girls. Find the number of ways to form team such that the team consists of at most 3 girls...
- Find total number of ways in which the word “POSSESSION” can be arranged.
- In how many different ways can the letters of the word ‘VARIOUS’ be arranged in such a way that the vowels occupy only the odd positions?
- In how many ways can the letters of the word ‘MEDICAL’ be rearranged so that the vowels never come together?
- In how many ways can 5 boys and 3 girls be arranged in a row so that no two girls sit together?
- A team of 7 researchers is to be formed from 6 biologists and 4 chemists. Find the number of ways to form the team if it must include at least 5 biologists...
- In how ways can the selection be made so that a particular member is always excluded?
- Out of 6 men and 3 women a committee of 3 members is to be formed so that it has 2 men and 1 woman. In how many different ways can this be done?
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