In a 200 Meter race A beats B by 35 Meters in 7 seconds. A's time over the cause is? Choose the correct choice.
A) 47 sec  B) 40 sec  C) 45 sec  D) 33 sec  E) 35 sec

Rationale: b covers 35 m in 7 seconds b take time = ( 200 * 7 ) / 35 = 40 a takes time = 40 - 7 = 33 sec answer : d
Answer: D