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03 Jan 2018, 08:31
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
69% (00:58) correct
31%
(01:20)
wrong
based on 72
sessions
History
Date
Time
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Not Attempted Yet
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.
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
