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A railway passenger counts the telegraph poles on the rail road as he passes them. The telegraph poles are at a distance of 50 metres. What will be his count in 4 hours, if the speed of the train is 45 km per hour.
Answer & Solution
Correct Answer:
Option
C
In train he travels = 4 × 45 = 180 km = 180000 m
Thus, the no. of poles,
= $$\frac{{180000}}{{50}}$$ = 3600 [Poles are at the distance of 50 m.]
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LoginDistance travelled in 4 hrs. 45*4= 180km.
ie 180000m. No. poles 50 metres apart 180000/50 = 3600