Admission Tests Related Exams
GMAT Exam
Consider all positive integers a, 6, and c such that 135 is a factor of each of the expressions 15a, 254, and 30c. What is the greatest common factor of all possible sums. a+b+c?
Pete made a trip to the beach, of which 80 kilometers were on highway X. What was Pete’s average speed for the trip?
(1)
Pete’s average speed for the part of the trip on highway X was 80 kilometers per hour.
(2)
Pete’s average speed for the part of the trip not on highway X was 96 kilometers per hour.