Question
A group consists of 7 boys and 12 girls. In how many ways can 3 boys and 5 girls be selected from the group?
More Permutation and combination Questions
- In how ways can the selection be made so that a particular member is always included?
- How many 7-letter arrangements of “TENSION” exist where the two N’s are not adjacent?
- Find total number of ways in which the word “COMMISSION” can be arranged.
- A group consists of 10 boys and 10 girls. In how many ways can 6 boys and 4 girls be selected from the group?
- A company has 6 finance executives and 4 auditors. In how many ways can a team of 4 people be formed so that at least 1 auditor is included?
- How many distinct arrangements of the letters in DRDO are possible?
- From a group of 8 girls and 7 boys, a committee of 9 is to be formed. In how many ways can the committee be formed if it must include at least 6 girls?
- From the letters of BALLOON, how many “words” can be formed if all the vowels stay together?
- Find the number of ways to arrange each letter of the word 'RECREATION' such that all the vowels always come together.
- How many words can be formed with the letter of the word ‘NUMBER’ when alll vowels are never together?
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