Suppose boys and girls take their seats randomly around a circle. The probability of their sitting is when

1 point7 boys and 2 girls are to be placed next to each other in the school ground for morning assembly. What is the probability that there are exactly 4 boys between the 2 girls?

In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected, is:

Question 2: In how many ways can 4 boys and 4 girls be seated around a circular table so that no two boys are in adjacent positions?

There are 3 seats in a row. In how many different ways can 5 boys occupy them?

In how many ways 5 boys sit round the table, so that two particular boys are next to each other?