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how do you calculate number of possible combinations. Given a number of options determine the possible number of combinations. Plus you can even choose to have the result set sorted in ascending or descending order.
4 15 Possible Prize Combinations. Means factorial the product of that number and all positive integers less than it. N r.
In this kind of problem you.
Calculating Combinations Without Repetition 1. Set Array Joined CSV. Type at least n names separated by commas then List. If you choose only one element r 1 at once from that set the number of combinations will be 12 - because there are 12 different balls.