Question

sanjay and lallu are driving cars from sumoor to peroor .they start the the trip at the same time . sanjay drives at an average apeed of 60km/hr. and lallu drives at an average speed of 45km/hr.lallu reached perooor after 3/2 hour after sanjay arrived . find the distance between sumoor and peroor

Answer 1

Answer:

distance=270km

Step-by-step explanation:

Let time required by sanjay be x

therefore time required by lalu is x+ 1.5

avg. speed of sanjay= 60km/hr

avg. speed of lallu= 45 km/hr

distance= speed * time

Therefore, 60x=45(x+1.5)

4x=3x+4.5

x=4.5

distance= 4.5*60=270km

Answer 2

The distance between sumoor and peroor is 270 km.

Step-by-step explanation:

Consider the provided information.

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

Let the distance between sumoor to peroor is x km.

They start the the trip at the same time. Sanjay drives at an average apeed of 60km/hr.

Time taken by Sanjay is: $\dfrac{x}{60}$

Lallu drives at an average speed of 45km/hr.

Time taken by Lallu is: $\dfrac{x}{45}$

The difference of the time is 3/2 hours.

$\dfrac{x}{45} -\dfrac{x}{60} =\dfrac{3}{2}$

$\dfrac{4x-3x}{180}=\dfrac{3}{2}$

$x=\dfrac{3}{2} \times 180$

$x=270$

Hence, the distance between sumoor and peroor is 270 km.

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