Learning mode > Combination w/o-rep

Question: The cafeteria of an university serves 4 different main dishes and 6 different side dishes every day. A student chooses at most one main dish and at most 3 side dishes. How many different combinations are possible?

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n: Number of objects in the set
k: Number of drawings = elements in the result list

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This question refers to a problem of kind 'combination, w/o-rep (without repetition)'