InterviewSolution
Saved Bookmarks
| 1. |
Five boys and four girls randomly stand in a line. Find the probability that no two girls come together. |
|
Answer» Solution :Five BODY and 4 girl randomly stand in a LINE such that no two girls come together. `therefore absS=9 |` The 4 girls can stand in 6 positions in `^6P_4` ways. Further 5 body can stand in 5 ! ways. `therefore` PROBABILITY that they will stand in a line such that no two girls come together. `=(51xx"^6P_4)/91=5/42` |
|