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(, Sun 1 Apr 2001, 1:00)
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In 3 hours, the 1st train is 150 km away (50*3)
The 2nd train gains on it at 40 kph (90 - 50)
To overtake it will take 3.75 hours (150/40)
3.75 hr * 90 km/hr = 337.5 km from the station
(, Thu 5 Jan 2012, 16:02, 1 reply, 14 years ago)
(, Thu 5 Jan 2012, 16:06, Reply)
How long will it take one man to dig half a hole?
(, Thu 5 Jan 2012, 16:07, Reply)
Because the two men could say a hole has to be three feet deep, while the one man thinks it should be 4.
either way I don't care.
(, Thu 5 Jan 2012, 16:09, Reply)
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