A train 100 meters long completely crosses a 300 meters long bridge in 45 seconds. What is the speed of the train is? Select
A) 32
B) 82
C) 83
D) 89
E) 73
Explanation:   S = (100 + 300)/45 = 400/45 * 18/5= 
<gadget id="calculator">400/45 * 18/5</gadget>
<output>32</output>
32   32nswer: Option 32
<result>A</result>
A train 100 meters long completely crosses a 300 meters long bridge in 45 seconds. What is the speed of the train is?