試題詳解

62. Possible ingredients for the pizza include: pepperoni, meatballs, green peppers, mushrooms, tomato, sausage, anchovies, onion, garlic, and broccoli. If a pizza must have 3 toppings chosen from the ingredient list and no ingredient may be used more than once on a given pizza, how many different kinds of pizza can made?
(A) 720
(B) 360
(C) 120
(D) 90