The ratio between the speed of a bus and train is 15:27 respectively. Also, a car covered a distance of 720 km in 9 hours. The speed of the Bus is three-fourth the speed of the car. How much distance will the train cover in 7 hours?

Explanation:-

Ratio of speed of Bus and Train = 15 : 27.
Let speed of the bus is 15X and Speed of the Train is 27X.
Car Covered 720 km in 9 hours.
So, Speed of the Car = ⁷²⁰/₉ = 80 kmph.
Given, Speed of the bus is ³/₄ of Car, So speed of the Bus,
= ^(80*3)/₄ = 60 kmph.
Thus,
15X = 60
X = 4
So, Speed of the train = 27X = 27*4 = 108 kmph.
Hence, Train will cover distance in 7 hours,
= 108 * 7 = 756 km.