permutations and combinations in aptitude.pptx

Permutations

1. IN HOW MANY WAYS CAN THE LETTERS OF THE “RUDE” BE ARRANGED ? Q.No:1

2. In how many ways can the letters of the “PEN” be arranged ? Q.No:2

3. In how many ways can the letters of the “ALLAHABAD “ be arranged ? Q.No:3

4. In how many ways can be letters of the “MISSISSIPPI” be arranged ? Q.No:4

5. In how many ways can the letters of the “APTITUDE” be arranged ? Q.No:5

6. In how many ways can the letters of the “AB” be arranged with repetition and without repetition ? Q.No:6

7. In how many ways can the letters of the SHIRT , 2. PANT , 3 . WEDNESDAY Be arranged with repetition & without repetition ? Q.No:7

8. in how many ways can the letters of the “ “LEARN ” be arranged all the vowels come together ? Q.No:8

9. In how many ways can the letters of the word “IMPOSSIBLE” be arranged so that all vowels come together ? Q.No:9

10. In how many ways can the letters “IMPOSSBLE” be arranged so that all consonants come together ?   Q.No:10

11. In how many ways “PERMUTATION” can be made such that all the vowels and consonants are alternate? Q.No:11

12. Q.No:12

13. How many ways a 3 digit no’s can be formed using 1) 7,8,9,6, 5 . 2) 0,1, 7 , 8, 9. Q.No:13

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16. ? Q.No:16

17. Combinations In how many ways 5 students can be chosen from 12 students? Q.No:17

18. How many ways a 4 member committee can be formed out of 5 women and 4 men , atleast 2women in committee? Q.No:18

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29. ? Q.No:29