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.
A. 600
B. 2500
C. 3600
D. 5000
Answer: Option C
Solution(By Examveda Team)
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.]This Question Belongs to Arithmetic Ability >> Speed Time And Distance
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Comments ( 3 )
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i think answer should be 3601. Because distance between two pole is 50m i.e 1 pole must be added with.
A train crosses 161 telegraph posts situated at a distace of 11 yards each in one minute what is the speed of train in miles per hour
c 3600
Distance travelled in 4 hrs. 45*4= 180km.
ie 180000m. No. poles 50 metres apart 180000/50 = 3600