In how many ways can two 10 paise, to 20-paise, three 25-paise and one 50-paise coins be distributed among 8 children so that each child gets only one coin?

In how many ways can 9 different books be distributed among three students if each receives atleast 2 books?

The total number of ways in which 5 balls of differert colours can be distributed among 3 persons so thai each person gets at least one ball is

There are three prizes to be distributed among 6 students. In how many ways can this be done when no boy gets more than one prize.

n different toys have to be distributed among n children. Find the number of ways in which these toys can be distributed so that exactly one child gets no toy.

There are three prizes to be distributed among 6 students. In how many ways can this be done when no boy gets all prizes.

In how many ways, can three jobs I, II and III be assigned to three persons A, B and C, if one person is assigned only one job and all are capable of doing each job ? Which assignment of jobs will take the least time to complete the jobs, if time taken (in hours) by an individual on each job is as follows :

In how many ways can 15 identical blankets be distributed among six beggars such that everyone gets at least one blanket and two particular beggars get equal blankets and another three particular beggars get equal blankets.

In how many ways can the following diagram be coloured subject to the following conditions ? Each of the smaller triangle is to be painted with one of the three colours, red, blue or green.

In how many ways can one select a cricket team of eleven from 17 players in which only 5 players can bowl if each cricket team of 11 must include exactly 4 bowlers?