Car A runs at the speed of 80km/hr & reaches its destination in 5hr. Car B runs at the speed of 100 km/h & reaches its destination in 2h. What is the respective ratio of distances covered by Car A & Car B? Pick.
A) 11 : 5	B) 11 : 8	C) 2 : 1	D) 15 : 7	E) 16 : 9

Rationale: "sol . distance travelled by car a = 80 × 5 = 400 km distance travelled by car b = 100 × 2 = 200 km ratio = 400 / 200 = 2 : 1 answer : c"
Answer: C