Question

if a train crossed a pole in 20 seconds if the train is 100meters long thn it's speed is a) 10 b) 15 c) 18 d) 36

Answer 1

given Time=20 s

          distance= 100 m

speed = d / t = 100 / 20

                    =5 m/s

question or to options have some problem

Answer 2

Here is your answer...

Given,
Time =20 sec
Distance=100 meters

speed=Distance /Time

s= 100/20
s=5

speed= 5 m/s.

Hope it's help you....
mark as brain list