Question
A box contains 5 red, 4 blue, and 3 green balls. In how many ways can 4 balls be chosen from the box such that exactly 2 of them are red?
More Permutation and combination Questions
- In a Group of 8 boys and 6 girls, Six children are to be selected. In how many different ways can they be selected such that at least one boy should be the...
- In a bag there are 4 red balls, 3 green balls, and 5 blue balls. If one ball is drawn at random from the bag, what is the probability of drawing a green ba...
- A group consists of 10 boys and 10 girls. In how many ways can 6 boys and 4 girls be selected from the group?
- In how many distinct ways can the letters of the word “AIRPORT” be arranged so that the two R’s are never together?
- Find the number of words that can be formed by using all letters of the word 'PAINT', if order of vowels remains same.
- What will be the number of permutations of n different things, taken r at a time, where repeatition is allowed?
- In how many ways can 7 beads be arranged to make a necklace?
- Find the number of ways to arrange each letter of the word 'PROFESSION' such that all the vowels always come together.
- In how many ways can 12 girls be seated in a row of 50 seats so that no girl sits on the adjacent seat?
- How many different 10-letter words (with or without meaning) can be formed using all the letters of the word "TEMPTATION"?
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