Question

find average speed of a car if it cover 40 km in 2 hr,100 km in 4 hr and 30 km in 2 hr . please fast ​

Answer 1

Answer:

The question can be interpreted as

Total Distance =40 km, of which 30 km covered in first hour, remaining 10 km covered in another hour

Step-by-step explanation:

Av speed= 40/2= 20 km/hr

Or

2. Total distance= 40 km, 30 km in 1 hr, remaining 10 km in 2 hrs

Av speed = 40/3= 13.33333.. km/hr

Or

3. Total distance= 70 km, 30 km in first hr, 40 km in second hr

Av speed= 70/3= 23.3333.. km/hr