Statement 1: not sure about time taken to Complete track. It may be Completed in 5 sec or 399sec. Distance may b 8m or 665m accordingly. Not sufficient
Statement 2: it took more than 320sec, this implies distance is more than 100*320/60=533
Hence sufficient
Answer is B
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Statement 2: it took more than 320sec, this implies distance is more than 100*320/60=533
Hence sufficient
Answer is B
Sent from my 2014818 using GMAT Club Forum mobile app
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