Car A runs at the speed of 42km/hr & reaches its destination in 6hr. Car B runs at the speed of 52 km/h & reaches its destination in 9h. What is the respective ratio of distances covered by Car A & Car B? Choose the correct answer.
A) 11 : 6
B) 7 : 13
C) 13 : 7
D) 15 : 6
E) 13 : 6
Sol. Distance travelled by Car A = 42 × 6 = 252 km   Distance travelled by Car 7 : 13 = 52 × 9 = 468 km   Ratio = 252/468= 7 : 13   7 : 13
<result>B</result>
Car A runs at the speed of 42km/hr & reaches its destination in 6hr. Car B runs at the speed of 52 km/h & reaches its destination in 9h. What is the respective ratio of distances covered by Car A & Car B?