Permutation and combination

Maths & Stats

A boat's crew consist of 8 men,3 of whom can row only on one side and 2 only on the other. The number of ways in which the crew can be arranged is _______

bhoomi lashkari

CA Foundation

★ 2K+

17-Nov-21 19:17

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Answers (1)

3 have to be on First side - 1 way 2 have to be on Second side - 1 way Now on first side you need one more person out of remaining 3 - 3 ways. Remaining 2 will go to other side. Each set of 4 can be arranged in 4! ways So 3 x 4! x 4!

CA Suraj Lakhotia

Admin

18-Nov-21 10:37