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A class contains three girls and four boys. Every Saturday, five go on a picnic (a different group of students is sent every week). During the picnic, each girl in the group is given a doll by the accompanying teacher. If all possible groups of five have gone for picnic once, the total number of dolls that the girls have got is a. `21` b. `45` c. `27` d. `24`

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A class contains 4 boys and g girls. Every Sunday five students, including at least three boys go for a picnic to Appu Ghar, a different group being set every week. During, the picnic, the class teacher gives a doll to each girl in the group. If the total number of dolls distributed was 85, then value of g is 15 (b) 12 (c) 8 (d) 5

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