GMAT Rates Sample Question 1 | Train Crossing Object | 🎁Bonus Question🎁

Speed Distance Time practice question. A GMAT medium difficulty problem solving sample question focusing on computing either length of train or length of an object that the train is crossing.
The video explain with schematics how the concept works and provides detailed explanation to the question. Also includes a 🎁bonus question🎁 at the end of the video for you to solve.
Question
A train traveling at 72 kmph crosses a platform in 30 seconds and a man standing on the platform in 18 seconds. What is the length of the platform in meters?
A. 240 meters
B. 360 meters
C. 420 meters
D. 600 meters
E. Cannot be Determined
Chapters
00:06 Question
01:14 Most important thing to follow in speed distance time questions
02:05 Explanatory answer to the question
06:08 Consolidation of 3 key concepts discussed to solve the question
08:22 Correct Answer
08:29 Bonus Question
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[@akshayshetty853]

Option B

[@Wizako]

Spot on. Absolutely right. 360m is the length of the train

[@johannesleonmeiser7256]

isn´t it Option D, since the Train travels at a speed of 20 m per second and takes 30 seconds crossing the platform?

[@abhiramvadlamudi7791]

360m

[@Wizako]

That's correct

[@ashishsinha9035]

Option (B) is the answer for bonus question.