Free Practice Question
PS · Problem Solving
sub-505
Combinations
A specific automobile manufacturer offers three different car models, and each model has 6 available features. What is the total number of unique car configurations that the manufacturer provides?
Answer Choices
Correct answer marked belowA
15
B
20
C
16
D
17
18
Correct
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Explanation
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Official Explanation
Official
There are 3 choices for selecting the car models. Additionally, each model has 6 features…
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Comments
2
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M
MadonnaOct 9, 2024
thanks for posting
S
ShankarMar 26, 2025
Great!
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