A 100meter long train take 6 sec to cross a man moving opposite to its direction at a speed of 5kmph.find the speed of train in kmph?
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speed=distance/time
5+x=100/6
5+x=50/3 ×18/5
5+x=10×6
5+x=60
x=60-5
x=55kmph is answer
5+x=100/6
5+x=50/3 ×18/5
5+x=10×6
5+x=60
x=60-5
x=55kmph is answer
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3
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