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 answers:
A) 10 : 4 B) 10 : 7 C) 13 : 7 D) 14 : 6 E) 13 : 9
Sol. Distance travelled by 13 : 7ar A = 65 × 8 = 520 km   Distance travelled by 13 : 7ar B = 70 × 4 = 280 km   Ratio = 520/280 = 13 : 7   13 : 7
<result>C</result>
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?