ek trean 20 sec mai ek khabhe ko parr karti hai ager tren ki speed 54 hai to kenth batao
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speed of train= 54 km/h
54 × 5/18 = 15m/sec
time taken = 20sec
distance = 15×20=300m
=0.3 km
54 × 5/18 = 15m/sec
time taken = 20sec
distance = 15×20=300m
=0.3 km
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