Explanation:
Number of choices for vegetable topping = 5
(Garlic/Avocado/Pickles/Asparagus/Onions)
Number of choices for meat topping = 6
(Anchovies/Sausage/Clam/Pepperoni/Tuna/Sardines)
Since they are independent events,
Total number of different pizzas = 5 * 6 = 30. (H)