Question

A room has8 doors. In how many ways can a man enter the room through one door and come out through different doors

Answer 1

Answer:

56

Step-by-step explanation:

If he enters through a door,Only (8-1)=7doors remains for come out.He can get out though 7 doors.As he can get in through 8 doors,He has (7*8)=56 ways to get out through different doors