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30 Jun 2016, 22:28
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I came across an Integrated Reasoning question from GMAT prep software. It goes something like the following:
" QUASI JX is car model, it's fuel economy is E km per litre ( E km ) when its driving speed is constant at S km per hour ( S km )
_ _
L H
What is the no. of fuel used in 1 hr of driving at constant speed S? "
How do I answer this question? I dont get quite a few things in this question. Firstly, what is implied by " fuel economy " ? I just dont get it. Shouldnt it just say distance? The second thing is what concept is being used here? Whats the starting point to solve this question? Whats the basic concept that I need to derive from this question. Also, the expression that I have bolded in the question seem confusing. For instance in the first one, is E meant to multiply by L or is it supposed to be Ekm/L?
Please how can I understand this better?In the solution provided it says, " the car required 1/E litres of fuel to travel 1 km "
how is that solution reached??
" QUASI JX is car model, it's fuel economy is E km per litre ( E km ) when its driving speed is constant at S km per hour ( S km )
_ _
L H
What is the no. of fuel used in 1 hr of driving at constant speed S? "
How do I answer this question? I dont get quite a few things in this question. Firstly, what is implied by " fuel economy " ? I just dont get it. Shouldnt it just say distance? The second thing is what concept is being used here? Whats the starting point to solve this question? Whats the basic concept that I need to derive from this question. Also, the expression that I have bolded in the question seem confusing. For instance in the first one, is E meant to multiply by L or is it supposed to be Ekm/L?
Please how can I understand this better?In the solution provided it says, " the car required 1/E litres of fuel to travel 1 km "
how is that solution reached??
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30 Jun 2016, 23:16
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Hi,
When these questions appear, keep in mind of the units of measurement used.
(1) Fuel economy is given as E km/litre --> The automobile can travel E km by consuming 1 litre of fuel.
(2) Driving speed = S km/hour --> The automobile can travel S km in 1 hour
Amount of fuel used in 1 hour --> You need the answer in litres/hour --> Divide (2) by (1) --> (S/E) litres/hour.
I am not able to understand the 'L' and 'H' you have used in the question.
When these questions appear, keep in mind of the units of measurement used.
(1) Fuel economy is given as E km/litre --> The automobile can travel E km by consuming 1 litre of fuel.
(2) Driving speed = S km/hour --> The automobile can travel S km in 1 hour
Amount of fuel used in 1 hour --> You need the answer in litres/hour --> Divide (2) by (1) --> (S/E) litres/hour.
I am not able to understand the 'L' and 'H' you have used in the question.
04 Aug 2016, 04:46
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Yes the answer should be S/E ....
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Data Insights Questions Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
