Free Practice Question
PS · Problem Solving
555-605
Combinations
How many distinct one, two, three, four, and five-letter words can be formed using each letter of the word HORSE exactly once?
Answer Choices
Correct answer marked belowA
224
B
260
C
220
D
320
325
Correct
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Explanation
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Official Explanation
Official
The total number of words can be calculated as follows:
.
.
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Comments
2
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V
VISHWAJEETOct 6, 2024
Thanks for sharingThank you for sharing!!thanks for sharing
R
RosanneOct 1, 2024
thankss
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
555-605
Type
PS
Category