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03 Jan 2018, 08:31
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C
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Difficulty:
25%
(medium)
Question Stats:
69% (00:58) correct
31%
(01:20)
wrong
based on 72
sessions
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Over the past year, did the number of male students in the school increase?
(1) Over the past year, the ratio of number of male students to the total number of students increased.
(2) Over the past year, the total number of students increased.
(1) Over the past year, the ratio of number of male students to the total number of students increased.
(2) Over the past year, the total number of students increased.
Pure algebraic questions like this one are no longer part of the GMAT Data Sufficiency syllabus.
For relevant Data Sufficiency questions, please check the Data Sufficiency forum:
Data Sufficiency Forum
Data Sufficiency Forum
03 Jan 2018, 09:29
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Bunuel
S1 - \(\frac{No. of male students}{Total no. of students}\) increased
Therefore, either no. of male students increased or total no. of students decreased.
Insufficient.
S2 - Total no. of students increased
No. of Male students could increase or remain constant.
Insufficient.
Combining S1+S2, Ratio increased and total no. of students also increased.
Hence no. of male students must increase.
Sufficient.
Answer C.
old1guy
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03 Jan 2018, 09:32
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Bunuel
A
Answer is yes as the ratio can go up only if male students go up
