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What is the total number of ways to reach A to B in the network given ?

What is the total number of ways to reach A to B in the network given ? Correct Answer 16

Solution:

[ alt="F1 Pooja.S 13-04-21 Savita D16" src="//storage.googleapis.com/tb-img/production/21/04/F1_Pooja.S_13-04-21_Savita_D16.png" style="width: 344px; height: 146px;">

The number of ways to reach from A to B is as follows

A-1-2-3-B

A-1-2-5-B

A-1-4-3-B

A-1-4-5-B

There are 4 number of ways in the above diagram 

Similarly, this type of 4 paths have the total number of ways = 4 × 4 = 16

∴ The total number of ways to reach from A to B is 16

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