A, B and C are three contestants in a 1000 m race. If A finishes the race 40 m ahead of B and 64 m ahead of C, how much did each of them cover at that time? Choose the correct choice from the following:  A) When B covers 890 m, C covers 866 m.  B) When B covers 860 m, C covers 836 m.  C) When B covers 930 m, C covers 906 m.  D) When B covers 960 m, C covers 936 m.  E) When B covers 990 m, C covers 966 m.
While A covers 1000 m, B covers  (1000 - 40)= 
<gadget id="calculator"> (1000 - 40)</gadget>
<output>960</output>
960 m and   C covers (1000 - 64) m or 936 m.   Answer is When B covers 960 m, C covers 936 m..
<result>D</result>
A, B and C are three contestants in a 1000 m race. If A finishes the race 40 m ahead of B and 64 m ahead of C, how much did each of them cover at that time?