Train 100 M long moving with a velocity 72 km per hour find time it takes 2 km
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Answer:
72 km. = 60 min.
=> 1 km. = 60 / 72 min.
=> 2 km. = ( 5 / 6 ) × 2 min.
=> 2 km. = ( 5 / 3 ) min.
= 100 seconds
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