1. 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? (1)
- 1. 63
- 2. 90
- 3. 126
- 4. 45
- 5. 135
2. 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? (3)
- 1. 40
- 2. 400
- 3. 5040
- 4. 2520
3. In how many different ways can the letters of the word ‘MATHEMATICS’ be arranged so that the vowels always come together? (3)
- 1. 10080
- 2. 4989600
- 3. 120960
- 4. None of these
4. In how many different ways can the letters of the word ‘OPTICAL’ be arranged so that the vowels always come together? (2)
- 1. 120
- 2. 720
- 3. 4320
- 4. 2160
- 5. None of these
5. A man has some hens and cows. If the number of heads be 48 and the number of feet equals 140, then the number of hens will be: (4)
- 1. 22
- 2. 23
- 3. 24
- 4. 26