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(1)In how many ways can a committee of 3 ladies and 4 gentlemen be appointed from 8 ladies and 7 gentleman? (2)What will be the number of ways if Mrs X refuses to serve in a committee if Mr.Y is a member? |
| Answer» (1)In how many ways can a committee of 3 ladies and 4 gentlemen be appointed from 8 ladies and 7 gentleman? (2)What will be the number of ways if Mrs X refuses to serve in a committee if Mr.Y is a member? | |