Car A runs at the speed of 60 km/hr and reaches its destination in 8 hours. Car B runs at the speed of 70 km/h and reaches its destination in 4 hours. What is the ratio of distances covered by Car A and Car B? Choose the most appropriate option:
A) 3 : 7
B) 4 : 9
C) 12 : 7
D) 5 : 7
E) 6 : 11
12 : 7ar A travels 60 × 8 = 480 km   12 : 7ar B travels 70 × 4 = 280 km   The ratio is 480 : 280 = 48 : 28 = 12 : 7   The answer is 12 : 7.
<result>C</result>
Car A runs at the speed of 60 km/hr and reaches its destination in 8 hours. Car B runs at the speed of 70 km/h and reaches its destination in 4 hours. What is the ratio of distances covered by Car A and Car B?