Question

Sneha has travelled a distance of 30 km in 5 hrs. And then another 40 km in 2 hrs. Find the average speed for her entire journey.

• A. 10 km/hr
• B. 20 km/hr
• C. 10 m/s
• D. None of these

Answer 1

The correct option is A

10 km/hr

We have known that Average speed =$\frac{Totaldistancecovered}{Totaltimetaken}$

Here, the total distance which he has covered is = 30 km + 40 km = 70 km

And, the total time taken = 5 hrs + 2 hrs = 7 hrs

So, Average speed = 70 km/ 7 hrs = 10 km/hr