Free Practice Question
PS · Problem Solving
sub-505
Divisibility/Multiples/Factors
A fitness class can be organized into 10 groups with an equal number of participants in each group or into 15 groups with an equal number of participants in each group. What is the smallest possible number of participants in the class?
Answer Choices
Correct answer marked below30
Correct
B
40
C
60
D
75
E
150
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Explanation
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Official Explanation
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The smallest possible number of participants in the class will…
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Comments
3
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Y
YugeshMar 27, 2025
Correcto\n
U
UnwuonNov 19, 2024
finally understood this
S
ShreyaJun 15, 2024
thanks
What this question tests
What it tests
Your understanding of divisibility rules, least common multiples, and greatest common factors.
Common trap
Forgetting that 1 is not prime and that every integer divides 0.
Details
Difficulty
sub-505
Type
PS
Category