Question

14.30:A haunted house has six windows. In how many ways can Georgie the Ghost enter the house by one window and leave by a different window?

Answer 1

• 30 ways

Explanation:

Possible ways to enter

• 6 windows

Possible ways to exit

• 5 windows, since same window entered is not used

Total number of ways is

• 6*5 = 30