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Each of the 105 students in a certain club is either a freshman, sophomore or junior. How many of the students in the club are sophomores?
1) The ratio of the number of freshmen to the number of sophomores is 1 to 2.
2) The ratio of the number of freshmen to the number of junior is 1 to 4.
OA C
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Each of the 105 students in a certain club is either a
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From the two statements, we know that the ratio of the number of freshmen to the number of sophomores to the number of juniors is 1 : 2 : 4AAPL wrote:GMAT Prep
Each of the 105 students in a certain club is either a freshman, sophomore or junior. How many of the students in the club are sophomores?
1) The ratio of the number of freshmen to the number of sophomores is 1 to 2.
2) The ratio of the number of freshmen to the number of juniors is 1 to 4.
OA C
On ratio scale the total number of students = 1 + 2 + 4 = 7.
Thus, the number of sophomores = 2*(105/7) = 30. Sufficient.
The correct answer: C
Hope this helps!
-Jay
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