In how many ways can 5 flags, in which 3 are red, one is white and one is blue, be arranged on a staff, one below the other, if flags of one colour are not distinguishable?

How many ways can 2 identical red chairs and 4 identical blue chairs be arranged in one row ?

In how many ways can 4 red, 3 yellow and 2 green discs be arranged in a row if the discs of the same colour are indistinguishable?

In how many ways can 4 red , 3 yellow and 2 green discs be arranged in a row if the discs of the same colour are indistinguishable?

In how many ways can 3 red marbles, 2 blue marbles, and 5 yellow marbles be placed in a row?

In how many ways can 5 red and 4 white balls be drawn from a bag containing 10 red and 8 white balls

There are 3 white, 4 red and 1 blue marbles in a bag. They are drawn one by one and arranged in a row. Assuming that all the 8 marbles are drawn, determine the number of different arrangements if marbles of same colour are indistinguishable.

In how many ways we can form a garland using 3 different red flowers, 5 different yellow flowers and 4 different blue flowers, if flowers of same colour must be together?

Which one is bright red coloured ?

How many different signals can be made from 4 red, 2 white and 3 green flags by arranging all of them vertically on a flagstaff?

A box contains 2 white balls, 3 black balls & 4 red balls. In how many ways can three balls be drawn from the box if atleast one black ball is to be included in draw (the balls of the same colour are different).