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I'm not convinced with the OA here Two business school [#permalink]
16 Sep 2004, 09:48
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I'm not convinced with the OA here
Two business school students, Maya and Darise, received teh same overall grade in only one of four classes. Each grade was on a scale of 1to 10.
From Which of the following statements can one determine whose average overall grade was higher?
A) Maya graduated at the top of her class
B) Maya's lowest grade was less than or equal to Darise's highest grade
C) Maya's highest grade and Darise's lowest grade were in the same class
D) Maya scored higher than Darise in two areas and neither girl scored lower than 5 in any class
E) Darise received a grade of 10 in three classes and Maya did not score higher than 8 in any class _________________
Darise gets : 10, 10, 10 and 8 (Given that Darise scored 10 in 3 classes and was equal to May in 1 one of the four classes). So these score could be her best. This means Darise avg is 9.5
Maya gets: 8,8,8,8 (Given that Maya did not score greater than 8 and we will assume she has got 8 in all four classes). So, these scores could be her best. This means Maya's avg is 8.
Given the above, Darise has better average than Maya.
A is deceiving and gives info that Maya 'graduated' as a topper. But we are in reference to these 4 classes and unsure if these 4 classes are the only classes in the overall curriculum to graduate out of.
OA given is a clear B. I picked E also. Thanks for clearing my doubts. E must surely be it. This is in one of the paper tests if any of you is interested in knowing the source. As long as they have these kind of answer keys on the GMAT, I'm cool with that _________________