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14 Nov 2014, 09:48
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
68% (01:10) correct
32%
(01:23)
wrong
based on 139
sessions
History
Date
Time
Result
Not Attempted Yet
Tough and Tricky questions: Properties of Sets.
By what percent did the median annual cost of health insurance in City \(X\) increase from 1990 to 2000?
(1) In 1990, the median annual cost of health insurance in City \(X\) was \(\frac{2}{3}\) of the median annual cost of health insurance in City \(Y\).
(2) In 2000, the median annual cost of health insurance in City \(X\) was \(\frac{6}{7}\) of the median annual cost of health insurance in City \(Y\).
Kudos for a correct solution.
14 Nov 2014, 10:28
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Answer E because we don't have any information on whether or not the median cost of health insurance changed over that time period for city Y.
15 Nov 2014, 02:37
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Statement 1:
There is no information about the median annual cost of health insurance in City Y.
Insufficient. Options A & D are out.
Statement 2:
There is no information about the median annual cost of health insurance in City Y.
Insufficient. Options B is out.
By combining both the statements, we can't get percent increase from the median annual cost of health insurance in City X from 1990 to 2000. As this is dependent on the median annual cost of health insurance in City Y and there is nothing mentioned about the median annual cost of health insurance in City Y.
If median annual cost of health insurance in City Y is constant from 1990 to 2000 we can calculate the percent increase from the median annual cost of health insurance in City X from 1990 to 2000.
Hence answer is E.
There is no information about the median annual cost of health insurance in City Y.
Insufficient. Options A & D are out.
Statement 2:
There is no information about the median annual cost of health insurance in City Y.
Insufficient. Options B is out.
By combining both the statements, we can't get percent increase from the median annual cost of health insurance in City X from 1990 to 2000. As this is dependent on the median annual cost of health insurance in City Y and there is nothing mentioned about the median annual cost of health insurance in City Y.
If median annual cost of health insurance in City Y is constant from 1990 to 2000 we can calculate the percent increase from the median annual cost of health insurance in City X from 1990 to 2000.
Hence answer is E.
