Car A runs at the speed of 65km/hr & reaches its destination in 5hr. Car B runs at the speed of 70 km/h & reaches its destination in 4h. What is the respective ratio of distances covered by Car A & Car B?  Choose the correct answer.
A) 11 : 6  B) 12 : 7  C) 13 : 7  D) 15 : 6  E) 65 : 56

Rationale: sol . distance travelled by car a = 65 ã — 5 = 325 km distance travelled by car b = 70 ã — 4 = 280 km ratio = 325 / 280 = 65 : 56 e
Answer: E