GRE : Quantitative Comparison Problem





This is the Quantitative Comparison Problem-4.Understand the basic mathematical principles behind this problem and other problems.



Example-4


On a trip, Marie drove 200 miles in 5 hours using gasoline that cost her $1.49 per gallon.

Column A : Marie’s average speed for the trip in miles per hour

Column B : Marie’s gas mileage for the trip in miles per gallon


Answer


The total number of miles driven by Marie in 5 hours is 200.

The average speed is 200/5 = 40 miles/hour.

So, A = 40.

B can not be calculated because the total number of gallons consumed by the car for the trip is not given.

So, it is not possible to compare A and B.

Therefore D is the answer.



This is the Quantitative Comparison Problem.Understand the basic mathematical principles behind this problem and other problems.

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