A can run 2 km distance in 2 min., while B can run this distance in 2 min 40 sec. By how much distance can A beat B?	Choose the most appropriate option:
A) 150 m
B) 100 m
C) 500 m
D) 180 m
E) 190 m
A takes time 2 minutes=120sec   B takes time 2.40 minutes=160sec   diffrence= 160-120= 
<gadget id="calculator">160-120</gadget>
<output>40</output>
40sec   now we are to find distance covered in 40 sec by B   160sec=2000m   1sec=25/2 m   40sec=40 x 25/2=500m   ANSWER:500 m
<result>C</result>
A can run 2 km distance in 2 min., while B can run this distance in 2 min 40 sec. By how much distance can A beat B?