Most Important Selected Qs for JEE AdvancedMathematicsPermutation and Combination
If words are formed using all the letters of the word 'CHITRANJEEVI', then:
Options
- Anumber of words in which all vowels are separated is 7 ! ^8 C₅ 5 ! 2 ! 2 !
- Bnumber of words in which vowels appear in alphabetical order is 12 ! 5 !
- Cnumber of words which contains the word 'CHITRA' is 7 ! 2 !
- Dnumber of words which contains the word 'IITJEE' is 7 !
Correct answer
D. number of words which contains the word 'IITJEE' is 7 !
Step-by-step solution
CHTRNJV (II) (EE), A (1) array r |-|-|-|-|-|-|-| 7 ! ^8 C₅ 5 ! 2 ! 2 ! array (2) 12 ! 5 ! (3) 7 ! 2 ! (CHITRA) N, J, V, I, (E, E) (4) 7! (IITJEE) < C, H, R, N, V, A.