Question

Chapter : Speed, Time and Distance

A train passes 210 m long bridge in 21 s and a signal in 20 s.
Find the speed of the train in km/h.
Plz Some One Help Me Positively​

Answer 1

Answer:

speed = distance

time

distance 210m

time 21s

now put it in formula

speed= 210

21

speed = 10m/ s

speed in kilometre per hour is

36 km/ hr

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