GMAT Math | Types of Distance Questions

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Күн бұрын

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In this week's video Magoosh's GMAT expert Kallee walks you through the three types of distance questions (also called motion problems) that you will see on the GMAT Quantitative section!
0:00 - Magoosh intro music
00:44 - Single Type, Single Traveler Questions
02:40 - Multipart Journey Questions
14:15 - Gap Questions
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Пікірлер: 18

@stefanvuksa3397 2 жыл бұрын

In the second example (lesley/airport) the rate for the whole trip is actually important. Since it can be easily calculated that it is 20m/h for the whole trip, which is also the mean of the 2 section rates, it means that she must have spent the same time for both sections. This means she spent 3h at 25mhp and 3h at 15mph.

@jagrutirayar891 Жыл бұрын

after doing the 25 and 15 average, I felt like I reached a dead end. I assumed 3 hours for both "parts" and reached the exact same answer (75 miles)

@ashwinrebbapragada7626 7 ай бұрын

Excellent questions. Thank you for your help. For the last problem with the biker and the runner. You can just use these two equations and set them equal to each other. The first equation is 10t and the second equation is 5t + 15. You get the same answer. The biker and runner, at some point, will travel the same distance once the biker catches up. So, you can set the equations equal to each other to find the time. Thanks again.

@MagooshGMAT 6 ай бұрын

Great tip!

@kiwikym1228 2 жыл бұрын

Super helpful! Thanks a lot for your videos

@ashwinrebbapragada7626 7 ай бұрын

For the GAP problems you can still use the traditional equations and methods to find the answer. Just use the common distance equations and solve for t. You need to set it up correctly, but you can still find the answer. Set, 10t = 5t + 15.