1.

In how many ways can 5 boys be chosen from 6 boys and 4 girls so as to include exactly one girl ?

Answer»

60



One girl can be CHOSEN in 4C1 = 4 ways and 4 BOYS can be chosen in 6C4 = 15 ways 
∴ Total number of ways = 4 x 15 = 60 ways.



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