Car A runs at the speed of 65km/hr & reaches its destination in 8hr. 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 choice from the following options
A) 10 : 4
B) 10 : 7
C) 13 : 7
D) 14 : 6
E) 13 : 9

Rationale: "sol . distance travelled by car a = 65 × 8 = 520 km distance travelled by car b = 70 × 4 = 280 km ratio = 520 / 280 = 13 : 7 c"
Answer: C