Car A travels at the speed of 65 km/hr and reaches its destination in 8 hours. Car B travels at the speed of 70 km/hr and reaches its destination in 4 hours. What is the ratio of the distance covered by car A and car B respectively ?

Correct Answer: 13 : 7
Required ratio :
= (65 × 8) : (70 × 4)
= 520 : 280
= 13 : 7