GMAT Quantitative Reasoning › Rate Problems
Randall traveled 75 kilometers in 600 minutes. What was Randall's per hour rate?
A group of students are making posters to advertise for a bake sale. 12 large signs and 60 small signs are needed. It takes 10 minutes to paint a small sign and 30 minutes to paint a large sign. How many students will be needed to paint all of the signs in 2 hours or less?
Jerry took a car trip of 320 miles. The trip took a total of six hours and forty minutes; for the first four hours, his average speed was 60 miles per hour. What was his average speed for the remaining time?
If it takes Sally 3 hours to drive miles, how many hours will it take her to drive
miles at the same rate?
Frank can eat a huckleberry pie in 15 minutes. His formidable sister, Francine, can eat it in 10 minutes. How long does it take them to eat a pie together?
A cat runs at a rate of 12 miles per hour. How far does he run in 10 minutes?
Jason is driving across the country. For the first 3 hours, he travels 60 mph. For the next 2 hours he travels 72 mph. Assuming that he has not stopped, what is his average traveling speed in miles per hour?
Jim and Julia, a married couple, work in the same building.
One morning, both left at 9:00, but in different cars. Jim arrived at 10:10; Julia arrived 10 minutes later. If Jim's average speed was 54 miles per hour, what was Julia's average speed (nearest whole number)?
Ray travels in three hours. At this rate, how long (in hours) will it take him to travel
?
Kenny and Marie, a married couple, work in the same building.
One morning, both left at 9:00, but in different cars. Kenny arrived at 10:10; Marie arrived 10 minutes later. If Kenny's average speed was 6 miles per hour faster than Marie's, how far is their work place from their home (nearest whole mile)?