How many 5-digit numbers can be formed using digits 1–7 such that digits are odd-even-odd-even-odd?
How many arrangements of the word COMMITTEE are possible if the vowels are always together?
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?
In how ways can the selection be made so that a particular member is always included?
...In how many different ways can the letters of the word “MONDAY” be arranged in such a way that the vowels always come together?
Find total number of ways in which the word “REARRANGED” can be arranged.
- A team of 10 members is to be formed from 9 engineers and 6 doctors. Find the number of ways the team can be formed with at least 8 engineers.
Find the number of words that can be formed by using all letters of the word ' FRIDAY', if order of vowels remains same.
A team of 4 members is to be formed from 5 girls and 4 boys. Find the number of ways to form team such that the team consists of at most 2 girls.
How many words can be formed from the word INCREASE in which both E’s do not come together?