Two cars, A and B, each traveled a distance of 200 miles. Did car A

Question

Two cars, A and B, each traveled a distance of 200 miles. Did car A use more gasoline than car B?

(1) Cars A and B traveled the entire distance at the rates of 63 miles per hour and 49 miles per hour, respectively.
(2) For the entire distance, car A traveled 32 miles per gallon of gasoline and car B traveled 27 miles per gallon of gasoline.

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kingbucky · Answer

Cars A and B each traveled 200 miles. We need to compare gasoline usage.

Source  
  Information  
  Sufficiency  
 
  Stem 
 Distance: 200 miles

Statement 1 
 A: 63 mph, B: 49 mph 
 Insufficient, no fuel efficiency 
 
  Statement 2 
 A: 32 mpg, B: 27 mpg 
    Sufficient, can compare usage    
 
  Statements 1 + 2 
    STOP !!!    
 S2 alone enough, Not required to check S1+S2

Statement 2 provides fuel efficiency (mpg), allowing gasoline usage comparison for 200 miles.

Answer: B

ravi1522 · Answer

Hello ,
Two cars, A and B, each traveled a distance of 200 miles. Did car A use more gasoline than car B?
To get answer we need the gasoline used for entire distance or some distance

Statement 1
It just gives me the speed of A and B so we can't get usage of gasoline,

Insufficient

Statement 2
It gives me the usage of gasoline of A and B so i can get answer
This statement is sufficient

Hence answer is B

ManifestDreamMBA · Answer

If both cars travel same distance, we need to know their individual mileage to know which one used more gasoline

S1
No mileage info given
Insufficient

S2
Mileage is given, and is greater for A, so it consumed less gasoline
Sufficient

Answer B

Two cars, A and B, each traveled a distance of 200 miles. Did car A

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Source	Information	Sufficiency
Stem	Distance: 200 miles
Statement 1	A: 63 mph, B: 49 mph	Insufficient, no fuel efficiency
Statement 2	A: 32 mpg, B: 27 mpg	Sufficient, can compare usage
Statements 1 + 2	STOP !!!	S2 alone enough, Not required to check S1+S2

GMAT Data Sufficiency (DS) Questions

Two cars, A and B, each traveled a distance of 200 miles. Did car A

Prep Toolkit

615 to 715 in 15 Days (Ria's Strategies)

More than Quant/Verbal Abilities: Speed vs. Accuracy

745 with Only Self-Prep and GMAT Club

From 555 to 765: 210-point Improvement

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My Rewards