Question
How many four-letter words without repetition having exactly two vowels can be formed by using the letters of the word "SCIENCE"?
More Permutation and combination Questions
- 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 a student choose a program of 5 courses, if 9 courses are available and 2 courses are compulsory for every student?
- Find total number of ways in which the word “DEPRESSION” can be arranged.
- How many 5-digit numbers can be formed using digits 1–7 such that digits are odd-even-odd-even-odd?
- In how many ways can 7 beads be arranged to make a necklace?
- How many four digit numbers greater than 5000 can be formed with the digits 4 ,5, 7, 8, and 9?
- How many four-letter words without repetition having exactly two vowels can be formed by using the letters of the word "PAINTER"?
- In how many ways can a squad of 10 people be selected from 9 trainees and 5 supervisors such that the squad has at least 8 trainees?
- A group consists of 11 boys and 9 girls. In how many ways can 7 boys and 5 girls be selected from the group?
- Six dancers are to be lined up for a stage entry. Among them, three are from the same team and must not be adjacent. How many valid line-ups are possible?
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