1. 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? (4)
- 1. 564
- 2. 645
- 3. 735
- 4. 756
- 5. None of these
2. In how many different ways can the letters of the word ‘LEADING’ be arranged in such a way that the vowels always come together? (3)
- 1. 360
- 2. 480
- 3. 720
- 4. 5040
- 5. None of these
3. In how many different ways can the letters of the word ‘CORPORATION’ be arranged so that the vowels always come together? (4)
- 1. 810
- 2. 1440
- 3. 2880
- 4. 50400
- 5. 5760
4. Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed? (3)
- 1. 210
- 2. 1050
- 3. 25200
- 4. 21400
- 5. None of these
5. In how many ways can the letters of the word ‘LEADER’ be arranged? (3)
- 1. 72
- 2. 144
- 3. 360
- 4. 720
- 5. None of these