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  • There are 5 buses that run between Coimbatore and Chennai. If a man takes a bus from Coimbatore to Chennai and then another bus back to Coimbatore, what are the total possible routes?

There are 5 buses that run between Coimbatore and Chennai. If a man takes a bus from Coimbatore to Chennai and then another bus back to Coimbatore, what are the total possible routes?

Option: 1

50


Option: 2

20


Option: 3

30


Option: 4

40


Answers (1)

best_answer

There are 5 buses that run between Coimbatore and Chennai. If a man takes a bus from Coimbatore to Chennai and then returns to Coimbatore.

Now, if a man travels from Coimbatore to Chennai, he has 5 options.

When he returns, he only has 4 options because he will not be returning with the same bus.

As a result, the total number of ways is given by,

5 \times 4=20

Therefore, the number of ways is 20.

 

Posted by

Nehul

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