(i) In order to pass an examination, minimum marks are to be secured i – InterviewSolution

1.

(i) In order to pass an examination, minimum marks are to be secured in each of theseven subjects. In how many ways, can a student fail?

Answer»

if he fail in one subject then also he is considered to failso number of ways=7×6×5×4×3×2×1=7!=5040

no.of subjects=7no.of ways to fail=7*7=49

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