A-room-has-5-doors-if-a-person-enters-through-a-dooor-that-person-cannot-leave-through-that-same-door-Find-the-number-of-ways-that-person-can-enter-and-leave-that-room-

FacebookTweetPin

Question Number 136000 by physicstutes last updated on 17/Mar/21

$$\mathrm{A}\mathrm{room}\mathrm{has}5\mathrm{doors},\mathrm{if}\mathrm{a}\mathrm{person}\mathrm{enters}\mathrm{through}\mathrm{a}\mathrm{dooor},$$$$\mathrm{that}\mathrm{person}\mathrm{cannot}\mathrm{leave}\mathrm{through}\mathrm{that}\mathrm{same}\mathrm{door}.\mathrm{Find}\mathrm{the}\mathrm{number}$$$$\mathrm{of}\mathrm{ways}\mathrm{that}\mathrm{person}\mathrm{can}\mathrm{enter}\mathrm{and}\mathrm{leave}\mathrm{that}\mathrm{room}.$$

Answered by liberty last updated on 17/Mar/21

$$5\times 4=20$$

Terms of Service
Privacy Policy
Contact: info@tinkutara.com

FacebookTweetPin