A train 600 m long can cross an over brdge of 100m long in 70 sec and then find the speed of the train? Answers.
A) 79
B) 30
C) 36
D) 66
E) 12
Length = Speed * time   Speed = L/T   S = 700/70= 
<gadget id="calculator">700/70</gadget>
<output>10</output>
10 M/Sec   Speed= 10*18/5 (To convert M/Sec in to Kmph multiply by 18/5)   Speed = 36Kmph.Answer:36
<result>C</result>
A train 600 m long can cross an over brdge of 100m long in 70 sec and then find the speed of the train?