In a kilometer race, X beats Y by 50 meters or 10 seconds. What time does X take to complete the race?
Choices.
A) 190 sec.	B) 176 sec.	C) 154 sec.	D) 120 sec.	E) 170 sec.
A   190 sec.   Time taken by Y run 1000 meters = (1000 * 10)/50= 
<gadget id="calculator">(1000 * 10)/50</gadget>
<output>200</output>
200 sec.   Time taken by X= 200 - 10= 
<gadget id="calculator">200 - 10</gadget>
<output>190</output>
190 sec.
<result>A</result>
In a kilometer race, X beats Y by 50 meters or 10 seconds. What time does X take to complete the race?