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17 Oct 2018, 00:35
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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:
95%
(hard)
Question Stats:
37% (01:52) correct
63%
(01:54)
wrong
based on 141
sessions
History
Date
Time
Result
Not Attempted Yet
In a professionals’ club, are more than (1/3)rd of the members mechanical engineers? Only those who are engineers can be mechanical engineers.
(1) Exactly 75 percent of the female members are engineers, and, of them, (1/3)rd are mechanical engineers.
(2) Exactly 30 percent of the male members are engineers.
(A) Statement 1 alone is sufficient, but statement 2 alone is not.
(B) Statement 2 alone is sufficient, but statement 1 alone is not.
(C) Both statements together are sufficient, but neither alone is sufficient.
(D) Each statement alone is sufficient.
(E) Neither statement is sufficient, even when combined.
(1) Exactly 75 percent of the female members are engineers, and, of them, (1/3)rd are mechanical engineers.
(2) Exactly 30 percent of the male members are engineers.
(A) Statement 1 alone is sufficient, but statement 2 alone is not.
(B) Statement 2 alone is sufficient, but statement 1 alone is not.
(C) Both statements together are sufficient, but neither alone is sufficient.
(D) Each statement alone is sufficient.
(E) Neither statement is sufficient, even when combined.
18 Oct 2018, 04:40
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Bunuel
Please see the explanation in attachment.
Answer: Option C
Also, Please find a video solution
Attachments
File comment: www.GMATinsight.com
Screenshot 2018-10-18 at 5.07.44 PM.png [ 558.94 KiB | Viewed 3708 times ]
19 Oct 2018, 23:20
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GMATinsight Did not quite understand how the % of total Mechanical Engineers would fall between 0.25 <x< 0.30.
Could you please explain? I believe this is a fundamental concept, so would appreciate if you could please provide the concept as well.
Thanks
Could you please explain? I believe this is a fundamental concept, so would appreciate if you could please provide the concept as well.
Thanks
20 Oct 2018, 07:33
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Payal259
Hi Payal259 ,
It's a simple rule of mixtures that if a 10% and 20% alcohol solutions are mixed than resultant will have alcohol percentage between 10% and 20% depending upon the quantities
Similarly 25% of Men and 30% of women can form only a 25 to 30% of entire population (Men + women)
I hope this helps!!! If still not clear, then I can substantiate further... let me know...
