Permutation and Combination Questions and Answers
Quantitative Aptitude - Permutation and Combination Questions with Answers develop skills to arrange and select objects efficiently. Permutation & Combination Aptitude is widely used in SSC, banking, and competitive exams.
Permutation and Combination
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64 questions
11. In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?
- 63
- 90
- 126
- 45
12. How many 4-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed?
- 40
- 400
- 5040
- 2520
13. In how many different ways can the letters of the word 'MATHEMATICS' be arranged so that the vowels always come together?
- 10080
- 4989600
- 120960
- None of these
14. In how many different ways can the letters of the word 'OPTICAL' be arranged so that the vowels always come together?
- 120
- 720
- 4320
- 2160
15. In how many ways can the letters of the word "CAT" be arranged?
- A) 3
- B) 4
- C) 5
- D) 6
16. How many 3-digit numbers can be formed from digits 1, 2, 3, 4 if repetition is not allowed?
- A) 12
- B) 24
- C) 64
- D) 36
17. How many ways can you arrange the letters of the word "BOOK"?
- A) 12
- B) 24
- C) 6
- D) 18
19. The number of permutations of n different things taken all at a time is—
- A) n
- B) n!
- C) n²
- D) nⁿ
20. How many ways can 4 different books be arranged on a shelf?
- A) 12
- B) 24
- C) 36
- D) 48