NandishSS wrote:Larissa and Steve each drove the same distance from City X to City Y in separate cars. Did it take longer for Larissa than for Steve to complete this trip?

(1) On this trip, Larissa's average speed was 80 kilometers per hour and Steve's average speed was 85 kilometers per hour

(2) On this trip, Larissa and Steve each drove 68 kilometers

OA:A

Source:GMAT Prep QP1

Statement 1: Well, if they each drove the same distance, then clearly, whoever drove more slowly will take more time to reach the destination. This statement gives us their speeds - if Larissa drove more slowly, then she spent more time on the road to cover the same distance - so statement 1 is sufficient.

Statement 2: We already know that they drove the same distance - we need to know who drove faster. This doesn't tell us that. Not sufficient.

Answer is A