Question

The speed of a car is 45 km/ hr. The amount of distance travelled by the car in 240 minutes is same as the distance travelled by a train in 25 minutes. What is the speed of the train in km/hr?

Answer 1

Answer:

375

Step-by-step explanation:

The speed of car is 45km/hr. 240 min =

3hr

3hr ×25=375

So, the speed of train travel in 25 minutes is 375 km/hr

Answer 2

Answer:

432 km/h

Step-by-step explanation:

We are given that

• speed of the car = 45 km/h
• Distance travelled by car in 240 minutes = Distance travelled by train in 25 minutes.

To Find : Speed of the train

Solution :

To get the speed of the train we have to find the distance travelled by train in 25 minute.

The total distance travelled by the car in 240 minutes or ($\frac{240}{40}=4$ hours} =

Distance = speed x time

              = 45 x 4

             = 180 km

Since distance travelled by the car in 240 minutes is same as the distance travelled by a train in 25 minutes.

So the distance travelled by train in 25 minutes or ($\frac{25}{60}=\frac{5}{12}$ hour)

= 180 km

the speed of the train = $\frac{\text{Distance}}{\text{time}}$

                                    = $\frac{180\ \text{x}\ 12}{5}$

                                    = 432 km/h

Hence we have calculated that the speed of the train = 432 km/h

#SPJ2