Find the number of groups that can be made from 5 different green balls., 4 different blue balls and 3 different red balls, if at least 1 green and 1 blue ball is to be included.

Find the number of groups that can be made from 5 different green balls, 4 different blue balls and 3 different red balls, if atleast 1 green and 1 blue ball is to be included.

Find the number of groups that can be made from 5 different green balls, 4 different blue balls and 3 different red balls, if atleast 1 green and 1 blue ball is to be included.

Find the total number of combinations taking at least one green ball and one blue ball , from 5 different gree balls, 4 different blue ball and 3 different red balls .

The number of ways in which 10 balls can be selected from 10 identical green balls, 10 identical blue balls and 9 idenitcal red balls are

The number of ways in which 10 balls can be selected from 10 identical green balls, 10 identical blue balls and 9 idenitcal red balls are

There are 3 blue balls, 4 red balls and 5 green balls. In how many ways can they be arranged in a row?

Find the total number of selections of at least one red ball from 4 red balls and 3 green balls, if (a) the balls of the same colour are different, (b) the balls of the same colour are identical.