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In City X, the range of the daily low temperatures during Ju

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In City X, the range of the daily low temperatures during Ju [#permalink] New post 04 Mar 2017, 08:56
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63% (00:34) correct 36% (00:51) wrong based on 96 sessions



In City X, the range of the daily low temperatures during June 2012 was 20° Fahrenheit, and the range of the daily low temperatures during July 2012 was 25° Fahrenheit.

Quantity A
Quantity B
The range of the daily low temperatures in City X for the two-month period from June 1, 2012, through July 31, 2012
30° Fahrenheit



A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

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Re: In City X, the range of the daily low temperatures during Ju [#permalink] New post 11 Mar 2017, 05:02
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Explanation

Putting values is the best way to go about this problem. We know that the range of temperature is 20 in June and 25 in July



JuneJuly
Lowest DailyHighest DailyLowest DailyHighest Daily
525025


So the range in 2 month period = 25 -5 = 20. So quantity B is greater.

Now choosing another set of values



JuneJuly
Lowest DailyHighest DailyLowest DailyHighest Daily
5253560


So the range in 2 month period = 60 -5 = 55. So quantity A is greater.

Clearly D is the correct option.
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Re: In City X, the range of the daily low temperatures during Ju [#permalink] New post 18 Sep 2018, 07:18
sandy wrote:
Explanation

Putting values is the best way to go about this problem. We know that the range of temperature is 20 in June and 25 in July



JuneJuly
Lowest DailyHighest DailyLowest DailyHighest Daily
525025


So the range in 2 month period = 25 -5 = 20. So quantity B is greater.This statement should be like 25-0 = 25 as range means highest minus lowest value

Now choosing another set of values



JuneJuly
Lowest DailyHighest DailyLowest DailyHighest Daily
5253560


So the range in 2 month period = 60 -5 = 55. So quantity A is greater.

Clearly D is the correct option.
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Re: In City X, the range of the daily low temperatures during Ju [#permalink] New post 20 Apr 2020, 07:30
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Carcass wrote:


In City X, the range of the daily low temperatures during June 2012 was 20° Fahrenheit, and the range of the daily low temperatures during July 2012 was 25° Fahrenheit.

Quantity A
Quantity B
The range of the daily low temperatures in City X for the two-month period from June 1, 2012, through July 31, 2012
30° Fahrenheit

.


GIVEN: In City X, the range of the daily low temperatures during June 2012 was 20° Fahrenheit, and the range of the daily low temperatures during July 2012 was 25° Fahrenheit.

There are infinitely-many scenarios that satisfy the above conditions. Here are two possible cases:

case i
June: , 0°, 0°, 0°, 0°, 0°, 0°, 0°, .....0°, 0°, 0°, 0°, 20° (range = 20°)
July: , 0°, 0°, 0°, 0°, 0°, 0°, 0°, .....0°, 0°, 0°, 0°, 25° (range = 25°)
June and July combined: , 0°, 0°, 0°, 0°, 0°, 0°, 0°, .....0°, 0°, 0°, 0°, 20°, 25° (range = 25°)

We get:
QUANTITY A: 25°
QUANTITY B: 30°
In this case, Quantity B is greater
---------------------------

case ii
June: , 0°, 0°, 0°, 0°, 0°, 0°, 0°, .....0°, 0°, 0°, 0°, 20° (range = 20°)
July: 10°, 10°, 10°, 10°, 10°, 10°, 10°, 10°, .....10°, 10°, 10°, 10°, 35° (range = 25°)
June and July combined: , 0°, 0°, 0°, 0°, .... 0°, 0°, 10°, 10°, 10°...., 10°, 10°, 20°, 35° (range = 35°)

We get:
QUANTITY A: 35°
QUANTITY B: 30°
In this case, Quantity A is greater

Answer: D

Cheers,
Brent
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Re: In City X, the range of the daily low temperatures during Ju   [#permalink] 20 Apr 2020, 07:30
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