In a 200 meters race A beats B by 35 m or 7 seconds.A’s time over the course is :
Select
A) 40 sec  B) 47 sec  C) 33 sec  D) 35 sec  E) None of these
Solution   B runs 35 m in 7 sec.   ∴ B covers 200 m in (7/35x200) =40 sec   B’s time over the course = 40 sec.   ∴ A’s time over the course = (40-7)= 
<gadget id="calculator">(40-7)</gadget>
<output>33</output>
33sec   Answer 33 sec
<result>C</result>
In a 200 meters race A beats B by 35 m or 7 seconds.A’s time over the course is :