Free Practice Question
PS · Problem Solving
605-655
Combinations
A company has 20 equally qualified candidates for 5 available positions. In how many distinct groups of 5 candidates can the company select to fill these positions if the order of selection is irrelevant?
Answer Choices
Correct answer marked belowA
20
B
100
C
300
15,504
Correct
E
38,760
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Explanation
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Official Explanation
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To determine the number of ways to select 5 different candidates from a pool of 20, where the order does…
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2
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H
HuseynOct 16, 2024
got this wrong on my practice
S
sdfdfasdfDec 23, 2024
Thanks for sharingThank you for sharing!!thanks for sharing
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
605-655
Type
PS
Category