Question

Out of $1900km$, Vishal traveled some distance by bus and some by airplane. The bus travels with an average speed of $60km/hr$ and the average speed of the airplane is $700km/hr$. It takes 5 hours to complete the journey. Find the distance, Vishal traveled by bus in $Km$.

Answer 1

We know that, $Speed=\frac{Distance}{Time}\Rightarrow Time=\frac{Distance}{Speed}$

Let Distance Travelled by Bus be $x$

so that Distance Travelled by Aeroplane $1900-x$

Now, Total time is $5$ Hours

$5=\frac{x}{60}+\frac{1900-x}{700}\Rightarrow 5=\frac{35x+3(1900-x)}{2100}\Rightarrow 10500=32x+5700\Rightarrow 4800=32x\Rightarrow x=150KM$