In how many ways can 5 persons occupy 3 vacant seats ?

In how many ways 4 persons can occupy 10 chairs in a row, if no two sit on adjacent chairs?

In how many ways can 6 persons can be seated at a round table so that all shall not have the same neighbours in any two arrangements?

In how many ways can 5 persons be seated at a round table?

In how many ways can 10 persons take seats in a row of 24 fixed seats so that no two persons take consecutive seats.

In how many ways can 10 persons take seats in a row of 24 fixed seats so that no two persons take consecutive seats.

In how many ways can 6 persons stand in a queue?

In how many ways can 6 persons stand in a queue?

In how many ways can 6 persons stand in a queue?

In how many ways can 6 persons stand in a queue?

In how many ways can 5 friends of a man be seated on a round table and 4 friends on other round table out of 9 friends?