GMAT Test practice questions, page 56 of 65, with answer review and explanations.
Question 276
Billy worked for three straight hours on his homework questions. If he solved 132 questions in the third hour, which was twice as many as he solved in the second hour, and three times as many questions as he solved in the first hour, how many questions did he solve total?
242
312
424
525
622
Question 277
V is the volume of a cylinder; the radius of the cylinder is 3.4. The height of the cylinder is 550% more than the radius. Which of the following is true?
100 < V < 300
300 < V < 500
500 < V < 700
700 < V < 900
900 < V < 1100
Question 278
Two trains are traveling on a collision course. If train A is traveling at a speed of 350 mph and train B is traveling 28% slower, how much time will it take the trains to collide if the initial distance between the two is 1505 miles?
Two hours and 30 minutes.
One hour and 10 minutes.
Two hours and 25 minutes.
Three hours and 15 minutes.
Four hours and 20 minutes.
Question 279
Two cars are traveling towards each other. If car A is traveling at a speed of 50 mph and car B is traveling 12% slower, how much time will it take the cars to meet if the initial distance between the two is 705 miles?
Six hours and 30 minutes.
Seven hours and 30 minutes.
Eight hours and 20 minutes.
Nine hours and 15 minutes.
Ten hours and 20 minutes.
Question 280
Tom and Jerry are running on the same road towards each other. If Tom is running at a speed of 2.5 meters per second and Jerry is running 36% slower, how much time will it take them to meet if the initial distance between the two is 50 meters and Tom started running 20 seconds before Jerry did?