Question

- Two cars travel from city A to city B at a speed of 42 and 60 km/hr respectively. If one car takes 2 hours lesser time than the other car for the journey, then the distance between City A and City B is:

Answer 1

I hope this will help u

Answer 2

Answer:

280 km

Step-by-step explanation:

Let x be the distance between the City A and City B

Car 1:

Distance =x

Speed of Car 1 = 42 km/hr

$Time =\frac{Distance}{Speed}$

$Time =\frac{x}{42}$

Car 2:

Distance =x

Speed of Car 1 = 60 km/hr

$Time =\frac{Distance}{Speed}$

$Time =\frac{x}{60}$

Now we are given that one car takes 2 hours lesser time than the other car for the journey

So, $\frac{x}{42}-\frac{x}{60}=2$

$\frac{10x-7x}{420}=2$

$\frac{3x}{420}=2$

$3x=2 \times 420$

$x=\frac{2 \times 420}{3}$

$x=280$

Hence The distance between the City A and City B is 280 km.