In a kilometer race, A beats B by 25 meters or 10 seconds. What time does A take to complete the race?
Pick one.
A) 180 sec  B) 190 sec  C) 290 sec  D) 490 sec  E) 390 sec
Time taken by B run 1000 meters = (1000 * 10)/25= 
<gadget id="calculator">(1000 * 10)/25</gadget>
<output>400</output>
400 sec.   Time taken by A= 400 - 10= 
<gadget id="calculator">400 - 10</gadget>
<output>390</output>
390 sec.   Answer:390 sec
<result>E</result>
In a kilometer race, A beats B by 25 meters or 10 seconds. What time does A take to complete the race?