In a kilometer race, A beats B by 54 meters or 12 seconds. What time does A take to complete the race?  Select
A) 212  B) 190  C) 277  D) 181  E) 122

Rationale: "time taken by b run 1000 meters = ( 1000 * 12 ) / 54 = 222 sec . time taken by a = 224 - 12 = 212 sec . answer : a"
Answer: A