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Maths Puzzle
the speed of the train while going from A to B is 60km/h
from B to A is 80km/h
find the speed of the train
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- average speed of train can be given by the formula = 2xy/x+y
=> 2*60*80/(60+80)
=> 68.57 km/h - 11 years agoHelpfull: Yes(2) No(0)
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