If Danielle ran a race at a constant speed, at what time did she finish?
(1) Danielle started the race at 8:00 a.m.
(2) At 9:30 a.m. Danielle was halfway through the race, and at 10:00 a.m., she was 2/3 of the way through the race.
What distance did Marty drive?
(1) Wendy drove 15 miles in 20 minutes.
(2) Marty drove at the same average speed as Wendy.
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Gurjit started running from his home at exactly 6 am in the morning, ran up to a certain pole, and immediately ran back till he reached home; he never stopped once during this entire journey. Did Gurjit manage to reach back home latest by 6:50 am?
(1) Gurjit reached the pole at exactly 6:20 am.
(2) Gurjit's average speed while running back home from pole, was 20% lesser than his average speed while running towards the pole.
A and B are running in opposite direction on a circular track with radius of 7 miles. What will be the sum of their respective speeds?
1) A and B both starts from same point and cover same distance before first meeting.
2) A can cover entire circular track in 10 min.
If Runner A followed Runner B down a portion of track that is 1/3 mile long, how many seconds did it take Runner A to run the track?
(1) Runner A ran onto the track 10 seconds after Runner B ran onto the track and ran off the track 8 seconds after Runner B ran off the track.
(2) Runner B ran the track at a constant speed of 9 miles per hour.
Police suspected that motorists on a stretch of I-75 often exceeded the speed limit yet avoided being caught through the use of radar detectors and jammers. Officer Johnson of the State Police recently pulled over a driver on I-75 and accused him of breaking the 50 mile-per-hour speed limit. Is Officer Johnson’s assertion correct?
(1) Officer Johnson noted that the driver had traveled 30 miles from point A to point B on I-75.
(2) Officer Johnson noted that it took the driver 30 minutes to travel from point A to point B on I-75.
What is the number of 360-degree rotations that a bicycle wheel made while rolling 150 meters in a straight line without slipping?
(1) It took 3 minutes for the bicycle wheel to travel the entire distance.
(2) The wheel made twenty 360-degree rotations per minute.
While flying across the country, did Karen ever exceed 650 miles per hour?
(1) Karen flew 3,000 miles.
(2) Karen flew for 5 hours.
A car and a bus traveled from town A to town B along the same road. If the car took 2 hours to travel from town A to town B, how long did it take the bus to travel the same distance?
(1) The car's average speed for the trip was 5/8 of the average speed of the bus.
(2) Towns A and B are 120 miles apart.
Bill and Sam both rode their bikes from their school to the public library. They traveled the exact same route. It took Bill 12 minutes. How long did it take Sam?
(1) Sam’s average speed was 80% of Bill’s.
(2) The distance from the school to the library is two miles.