GMAT Quantitative Reasoning Practice Test 3

Question : 80 of 100

Marks: +1, -0

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?

2 minute and 12 seconds.
two minutes.
44 seconds.
20 seconds.
12 seconds.

Validate

Solution:

Jerry is running at a speed of

0.64 × 2.5=1.6

meters per second.
Tom runs alone a distance of

2.5 × 20=50

meters. Tom caught Jerry off-guard and Jerry didn't even start running.

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