Given 5 different green dyes, four different blue dyes and three different red dyes, how many combinations of dyes can be chosen taking at least one green and one blue dye ?

Given 6 different toys of green colour,5 different toys of blue colour and 4 different toys of red colour.Combination of toys that can be chosen taking at least one green and one blue toys are

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.

In how many ways five different rings can be put on four fingers with at least one ring on each finger?

In how many ways five different rings can be worn in four fingers with at least one ring in each finger?

In how many different ways can a cube be painted if each face has to be painted either red or blue?