Permutations and Combination
Permutation and Combination: Difference between Permutation and Combination, Permutation Meaning, Permutation and Combination Formula, Questions, Problems
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Online Aptitude Questions with Answers on Permutations and Combination
Q1. **From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there on the committee. In how many ways can it be done?**
- 564
- 645
- 735
- 756
- None of these
Solution : 756
Q2. **In how many different ways can the letters of the word 'LEADING' be arranged in such a way that the vowels always come together?**
- 360
- 480
- 720
- 5040
- None of these
Solution : 720
Q3. **In how many different ways can the letters of the word 'CORPORATION' be arranged so that the vowels always come together?**
- 810
- 1440
- 2880
- 50400
- 5760
Solution : 50400
Q4. **Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?**
- 210
- 1050
- 25200
- 21400
- None of these
Solution : 25200
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Q5. **In how many ways can the letters of the word 'LEADER' be arranged?**
- 72
- 144
- 360
- 720
- None of these
Solution : 360
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