In a kilometer race, A beats B by 50 meters or 10 seconds. What time does A take to complete the race? Choose the most appropriate option:
A) 200 sec
B) 190 sec
C) 210 sec
D) 150 sec
E) 250 sec
Time taken by B run 1000 meters = (1000 * 10)/50= 
<gadget id="calculator">(1000 * 10)/50</gadget>
<output>200</output>
200 sec.   Time taken by A= 200 - 10= 
<gadget id="calculator">200 - 10</gadget>
<output>190</output>
190 sec.   ANSWER:190 sec
<result>B</result>
In a kilometer race, A beats B by 50 meters or 10 seconds. What time does A take to complete the race?