A, Band C are three contestants in a kmrace. If A can give B a start of 40 m and A can give C a start of 64m how many metre's start can B give C ?.  Choose the correct choice from the following answers.
A) 540 m  B) 178 m  C) 936 m  D) 234 m  E) 713 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.   When B covers 960 m, 936 m covers 936 m   Option 936 m
<result>C</result>
A, Band C are three contestants in a kmrace. If A can give B a start of 40 m and A can give C a start of 64m how many metre's start can B give C ?.