. A class contains 3 girls and four boys
Every Saturday five students go on a picnic; a different group of students is being sent each week. During the picnic, each girl in the group is given a doll by the accompanying teacher. All possible groups of five have gone once, the total number of dolls the girls have got is:
Sol: The number of times, a girl goes on picnic = 6C4
Now each time she goes, she gets a doll.
Thus, total number of dolls given to the girls