Q8 of 31 Page 7

Ten buses are plying between two places A and B. In how many ways a person can travel from A to B and come back?

As there are 10 buses to go from A to B.


So, there are 10 ways to make trip from A to B.


Similarly, there are 10 ways to come back from B to A.


So total ways a person can travel both ways are 10× 10 = 100 ways.


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