Quantitative Apitude-Permutation and Combination
Quantitative Apitude-Permutation and Combination
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