A train is running at a speed of 45 km /hr takes 11 seconds to cross
tree (1) Find the length
of the train; (2) Find the time taken to cross a platform of length 140
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Step-by-step explanation:
time. distance
3600. 45000
11. ,?(x)
time and distance is in in simple proportion
3600:11::45000:x
length of the train is 45000×11÷3600=137.5metre
t
.
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