5. A man walks at the speed of 4 km/h. A train coming from behind him at 22 km/h passes by him in 30 s. Find the length of the train.
answe is 150m ....
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Answer:
166.8
Step-by-step explanation:
speed =22km/hr - 4 km/hr = 20 *1000/3600=5.56
time=30secs
distance=speed*time=5.56*30=166.8
hence the lenghth of the train is 166.8
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