Free Practice Question
PS · Problem Solving
sub-505
Combinations
A restaurant features 240 unique pizza combinations. Each pizza consists of 1 type of crust, 1 topping, and 1 sauce. If there are 6 types of crust and 5 toppings available, how many sauces can be selected?
Answer Choices
Correct answer marked belowA
6
8
Correct
C
10
D
12
E
15
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Explanation
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Official Explanation
Official
This is a combination problem. The total number of unique pizza combinations can be calculated using the formula: number of crusts ×…
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Comments
2
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R
RahulAug 26, 2024
Great
U
UnwuonSep 5, 2024
thanks for posting
What this question tests
What it tests
Whether you can count arrangements and selections correctly — permutations vs. combinations.
Common trap
Overcounting: treating a selection as ordered when order does not matter, or forgetting to divide by duplicates.
Details
Difficulty
sub-505
Type
PS
Category