Question
A team of 6 members is to be formed from a group of 8
boys and 5 girls. Find the number of ways to form team such that the team consists of at most 2 girls.Solution
Required number of ways = 5C2 Ă— 8C4 + 5C1 Ă— 8C5 + 8C6
= 10 Ă— 70 + 5 Ă— 56 + 28
= 700 + 280 + 28 = 1008
Fertigation system of irrigation is the
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