Which of the following sets contains only factors of 45?
A. {1, 3, 5, 7}
B. {1, 5, 7, 13}
C. {1, 3, 5, 13, 15}
D. {3, 5, 9, 15}
E. {3, 5, 7, 45}
The OA is D
Source: Princeton Review
Which of the following sets contains only factors of 45?
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Scan the answer choices....(C and D).....swerve wrote:Which of the following sets contains only factors of 45?
A. {1, 3, 5, 7}
B. {1, 5, 7, 13}
C. {1, 3, 5, 13, 15}
D. {3, 5, 9, 15}
E. {3, 5, 7, 45}
The OA is D
Source: Princeton Review
13 is NOT a factor of 45.
ELIMINATE C
By the process of elimination, the correct answer is D
Cheers,
Brent
Scan the two remaining answer choices....
7 is NOT a factor of 45.
ELIMINATE A, B and E
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Since 45 does not contain 7 or 13 as a factor, of the answer choices, only D can be correct.swerve wrote:Which of the following sets contains only factors of 45?
A. {1, 3, 5, 7}
B. {1, 5, 7, 13}
C. {1, 3, 5, 13, 15}
D. {3, 5, 9, 15}
E. {3, 5, 7, 45}
The OA is D
Source: Princeton Review
Answer: D
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