n examination, a candidate has to pass in each of the 5 subjects. In h – InterviewSolution

1.

n examination, a candidate has to pass in each of the 5 subjects. In how many ways can hee positive integerfail

Answer»

Total number of ways in which he can fail is

= C(5, 1) + C(5 2) + C(5, 3) + C(5, 4) + C(5, 5)= 5+10+10+5+1= 31

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total subjects =5way to fail=5*5=25

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