From a shuffled deck of 52 cards how many ways could you be dealt five cards containing 2 face cards, 2 aces and a five?
A bag contains 25 marbles of which 6 are blue. How many ways are there of choosing three marbles of which at least one must be blue?
What is the eighth term in the expansion of (x-(1/x))^16?
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The way I used to do this was make a list and then I'd figure out a pattern about a quarter into the way of making my list. for the cards one, first find out how many combinations there of 5 random cards total, then make a list of you possible combinations and then divide the 2.