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  • In the given figure , a person is standing at station A and he has to go to station C, then the number of ways in which he can reach from A to C  is  <img alt="" src="https://cd

In the given figure , a person is standing at station A and he has to go to station C, then the number of ways in which he can reach from A to C  is 

Option: 1

10 


Option: 2

11


Option: 3

12 


Option: 4

7 


Answers (1)

best_answer

As we have learned

Product Rule:

If a certain work A can be done in m ways and another work B in n ways, then the number of ways of doing A and then doing B is mn ways.

 

Now,

Person will reach from A to C , when he firstly goes from A to B AND then from B to C: so both works are to be done 

\therefore  Required number of ways 

= (no. of ways of going from A to B ) x (no. of ways of going from B to C )

=  4 x 3 = 12

Posted by

mansi

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