Why is that once a person starts taking alcohol or drugs, it is difficult to get rid of this habit? Discuss it with your teacher.

In your view what motivates youngsters to take to alcohol or drugs and how can this be avoided?

In your view what motivates youngsters to take to alcohol or drugs and how can this be avoided?

There are five cities A, B, C, D, E on a certain island. Each city is connected to every other city by road. In how many ways can a person starting from city A come back to A after visiting some cities without visiting a city more than once and without taking the same road more than once ? (The order in which he visits the cities also matters. e.g., the routes A rarr B rarr C A and A rarr C rarr B rarr A are different).