In a kilometer race, A beats B by 40 meters or 15 seconds. What time does A take to complete the race?  Choose the most appropriate option:
A) 277 sec  B) 285 sec  C) 267 sec  D) 167 sec  E) 276 sec
Time taken by B run 1000 meters = (1000 * 15)/50= 
<gadget id="calculator">(1000 * 15)/50</gadget>
<output>300</output>
300 sec.   Time taken by A= 300 - 15= 
<gadget id="calculator">300 - 15</gadget>
<output>285</output>
285 sec.Answer: 285 sec
<result>B</result>
In a kilometer race, A beats B by 40 meters or 15 seconds. What time does A take to complete the race?