- Using all the letters of the word POETRY, how many words start with a vowel but end with a consonant?
Find the number of ways to arrange each letter of the word 'RECREATION' such that all the vowels always come together.
- Seven people are to be arranged on seven chairs. Among them, there are three friends who should not sit together. Find the number of valid arrangements.
- In how many ways can you arrange 3 identical cubes, 2 identical pens, and 1 ball such that all 3 cubes are not together?
There are 20 Bikes in the No-Parking zone. On a Particular day, A policeman planned to fine the four bikes of the No-Parking Zone. In how many ways can ...
A group consists of 9 boys and 7 girls. In how many ways can 4 boys and 3 girls be selected from the group?
In how many different ways can the letters of the word "AIRSTRIKE" be arranged if all the vowels must always be grouped together?
In how many different ways can the letters of the word QUANTITY be arranged so that the vowels always come together?
How many arrangements of the word COMMITTEE are possible if the vowels are always together?
Number of 4-digit numbers that can be formed using digits 1–9 without repetition and are divisible by 5.