0 + 1 + 9 = 10 0 + 2 + 8 = 10 0 + 3 + 7 = 10 0 + 4 + 6 = 10 1 + 2 + 7 = 10 1 + 3 + 6 = 10 1 + 4 + 5 = 10 2 + 3 + 5 = 10 Above are all the possible whole number sets of three that add up to 10. There are 8 ways this can be done.
In how many different ways can the letters of the word "INDEPENDENCE " be arranged so that the vowels always come together?
In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?
You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.
In how many different ways you can climb 10 stairs?
