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:
A) 3 : 7	B) 4 : 9	C) 13 : 7	D) 5 : 7	E) 6 : 11
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?