In a kilometer race, A beats B by 54 meters or 12 seconds. What time does A take to complete the race?
Answers:
A) 212
B) 190
C) 277
D) 181
E) 122
Time taken by B run 1000 meters = (1000 * 12)/54 = 222 sec.   Time taken by 212 = 224 - 12= 
<gadget id="calculator">224 - 12</gadget>
<output>212</output>
212 sec.212nswer:212
<result>A</result>
In a kilometer race, A beats B by 54 meters or 12 seconds. What time does A take to complete the race?