In how many ways 10 passengers can board three buses if no bus remains empty?

Five balls are to be placed in three boxes in how many diff. ways can be placed the balls so that no balls remain empty if .

Five balls are to be placed in three boxes in how many diff. ways can be placed the balls so that no box remains empty if (i) balls and boxes are diff, (ii) balls identical and boxes diff. (iii) balls diff and boxes identical (iv) balls as well as boxes are identical

Consider a 6xx6 chessboard. Then match the following columns. Column I, Column II Number of rectangles, p. ^10 C_5 Number of squares, q. 441 Number of ways three squares can be selected if they are not in same row or column, r. 91 In how many ways eleven + sign can be arranged in the squares if no row remains empty, s. 2400

Five balls of different color are to be placed in three boxes of different size. Each box can hold all five. In how many different ways can we place the balls so that no box remains empty?

In how many ways 10 persons can be divided into 5 pairs?

In how many ways five persons can stand in a row ?

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?