The number of points a student gets on an exam is directly : GMAT Data Sufficiency (DS)
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# The number of points a student gets on an exam is directly

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Manager
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The number of points a student gets on an exam is directly [#permalink]

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22 Aug 2011, 13:43
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The number of points a student gets on an exam is directly proportional to the number of multiple-choice questions he or she answers correctly, and also to the square of the number of essay questions he or she answers correctly. What is the score of a student who answers 20 multiple-choice questions correctly and 6 essay questions correctly?
1. A student who answers 15 multiple-choice questions correctly and 2 essay questions correctly scores 24 points higher than a student who answers 12 multiple-choice questions correctly and 2 essay questions correctly.
2. A student who answers 15 multiple-choice questions correctly and 3 essay questions correctly scores 20 points higher than a student who answers 5 multiple-choice questions correctly and 5 essay questions correctly.
[Reveal] Spoiler: OA

Last edited by shashankp27 on 22 Aug 2011, 15:37, edited 1 time in total.
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22 Aug 2011, 14:58
shashankp27 wrote:
The number of points a student gets on an exam is directly proportional to the number of multiple-choice questions he or she answers correctly, and also to the square of the number of essay questions he or she answers correctly. What is the score of a student who answers multiple-choice questions correctly and essay questions correctly?
1. A student who answers multiple-choice questions correctly and essay questions correctly scores points higher than a student who answers multiple-choice questions correctly and essay questions correctly.
2. A student who answers multiple-choice questions correctly and essay questions correctly scores points higher than a student who answers multiple-choice questions correctly and essay questions correctly.

Are you sure this is correct? I feel as if I am reading the same thing again and again. Let me better sign off.
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22 Aug 2011, 15:37
I guess some mistake in the question. Same sentence repeats.
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22 Aug 2011, 15:42
Edited the post, the numbers just vanished when i copied the text from the source.
Re: Propotional   [#permalink] 22 Aug 2011, 15:42
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