ExamHoot
10 / 30Permutation and CombinationEasyQuantitative Aptitude

In how many ways can 3 different rings be worn on 4 fingers of a hand (one ring per finger)?

  1. 24

  2. 12

  3. 64

  4. 36

Show answer & explanation

Correct answer

24

Explanation

This is a permutation of 4 fingers taken 3 at a time: 4P3=4×3×2=24^{4}P_3 = 4 \times 3 \times 2 = 24.

Written by ExamHoot EditorialPublished · Updated

All 30 Permutation and Combination questions

  1. 1.In how many ways can 5 books be arranged on a shelf?
  2. 2.How many ways can 4 students be selected from a group of 10?
  3. 3.How many 3-digit numbers can be formed using the digits 1, 2, 3, 4, 5 without repetition?
  4. 4.In how many ways can a committee of 3 men and 2 women be formed from 6 men and 5 women?
  5. 5.How many different ways can the letters of the word 'APPLE' be arranged?
  6. 6.In how many ways can 6 people be seated in a row if 2 specific people must sit together?
  7. 7.How many ways can 2 prizes be given to 8 students if no student gets more than one prize?
  8. 8.From a group of 7 boys and 4 girls, in how many ways can a team of 5 be selected if it must include exactly 2 girls?
  9. 9.How many 4-letter words can be formed from the letters of 'MONDAY' without repetition?
  10. 10.In how many ways can 3 different rings be worn on 4 fingers of a hand (one ring per finger)?
  11. 11.How many 4-digit numbers greater than 5000 can be formed using the digits 1, 2, 3, 4, 5, and 6 without repetition?
  12. 12.In how many ways can 5 boys and 3 girls be seated in a row such that no two girls sit together?
  13. 13.A committee of 5 members is to be formed from 6 men and 4 women.
  14. 14.How many ways can the letters of the word 'MISSISSIPPI' be arranged such that all S's are together?
  15. 15.Find the number of ways to distribute 10 identical toys among 4 children such that each child gets at least 2 toys.
  16. 16.A box contains 5 red, 4 blue, and 3 green balls.
  17. 17.How many 6-digit numbers can be formed using the digits 0,1,2,3,4,5 without repetition such that the number is divisible by 5?
  18. 18.In how many ways can 8 different books be divided into 4 groups of 2 books each?
  19. 19.A 5-digit number is formed using the digits 1 to 9 without repetition.
  20. 20.Find the number of ways to arrange the letters of the word 'ARRANGEMENT' such that the two R's are not together and the two E's are not…
  21. 21.How many ways can 10 distinct books be arranged on a shelf such that 3 specific books are never all together?
  22. 22.In how many ways can 5 boys and 5 girls be seated in a row if no two girls are adjacent and no two boys are adjacent?
  23. 23.A committee of 6 is to be formed from 6 men and 5 women.
  24. 24.Find the number of ways to distribute 15 identical balls into 5 distinct boxes such that each box gets at least 2 balls and at most 5 balls.
  25. 25.How many 5-digit numbers can be formed using digits 0 through 9 such that the number is divisible by 3 and no digit repeats?
  26. 26.In how many ways can the letters of the word 'MISSISSIPPI' be arranged such that all I's are not together?
  27. 27.A bag contains 4 red, 5 blue, and 6 green marbles.
  28. 28.How many ways are there to seat 6 people around a circular table if two specific people must not sit next to each other?
  29. 29.In a 10-question true/false exam, a student decides to answer all questions but must have exactly 6 true answers.
  30. 30.In how many ways can 8 distinct people be seated around a circular table such that 3 specific people are never seated together…