MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Earn 100

Find the number of ways of forming a committee of 5 members out of 6 Indians and 5 Americans so that always the Indians will be in majority in the committee.

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Important Questions on Permutations and Combinations

MEDIUM
12th Andhra Pradesh Board
IMPORTANT
A question paper is divided into 3 sections A,B,C containing 3,4,5 questions  respectively. Find the number of ways of attempting 6 questions choosing at least one from each section.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Find the number of ways in which 12 things be divided into 4 equal groups.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
The number of ways in which 12 things be divided to 4 persons equally is k!(3!)4,then find the value of k
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
A class contains 4 boys and g girls. Every Sunday, five students with at least 3 boys go for a picnic. A different group is being sent every week. During the picnic, the class teacher gives each girl in the group a doll. If the total number of dolls distributed is 85, find g.