In a kilometer race, A beats B by 80 meters or 10 seconds. What time does A take to complete the race?
Choose the correct choice from the following answers
A) 290 sec B) 190 sec C) 199 sec D) 115 sec E) 193 sec
Time taken by B run 1000 meters   = (1000 * 10)/80= 
<gadget id="calculator">(1000 * 10)/80</gadget>
<output>125</output>
125 sec.   Time taken by A= 125 - 10= 
<gadget id="calculator">125 - 10</gadget>
<output>115</output>
115 sec.   Answer: 115 sec
<result>D</result>
In a kilometer race, A beats B by 80 meters or 10 seconds. What time does A take to complete the race?