A train running at the speed of 56 km/hr crosses a pole in 9 sec. What is the length of the train?
Select.
A) 140 m B) 786 m C) 566 m D) 546 m E) 445 m
Speed = 56 * 5/18 = 140/9 m/sec   Length of the train = speed * time = 140/9 * 9= 
<gadget id="calculator">140/9 * 9</gadget>
<output>140</output>
140 m   140 mnswer: 140 m
<result>A</result>
A train running at the speed of 56 km/hr crosses a pole in 9 sec. What is the length of the train?