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GMAT Question of the Day - PS Work/Rate - May 2nd, 2014

The express train would have taken 30% longer to get from Station K to Station M if it had been traveling 18 miles per hour slower. What was the express train's actual average speed, in miles per hour, from Station K to Station M?

A. 78

B. 82

C. 84

D. 85

E. 93

Here's an Official GMAT question on which we also use the T method to organize the information: A boat traveled upstream a distance of 90 miles at an average speed of (v-3) miles per hour and then traveled the same distance downstream at an average speed of (v+3) miles per hour Distance, Work and Rate - Average Rate 1

Distance, Work and Rate - Average Rate 2

For more GMAT distance, work, and rate practice visit GMAT Question of the Day.

GMAT Question of the Day - DS Rate/Work - April 29th 2014

Three machines J, K, and L working simultaneously but independently at their respective rates can complete a certain task in 32 hours. What proportion of the completed task did machine K complete?

(1) Machines J and K working simultaneously but independently at their respective rates can complete the task in 48 hours.

(2) Machine J can complete the task in half the time that Machine L can complete the task. Here are another bunch of cooperative work and rate questions to practice on:

Work and Rate 1

Work and Rate 2

Work and Rate 3

Work and Rate 4

Work and Rate 5

For more distance, work, and rate examples you can also check out our GMAT Question of the Day page

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