Question

(10.
A car travels 30 km at a uniform speed of 40 km/h and next 30 km at a uniform speed of 20 km/h
Its average speed is
(A) 30 km/h
(B) 32 km/h
(C) 26 km/h
(D) 28 km/h
Space for Rough Work​

Answer 1

Answer:

40+30/2=30.. mark as brainliest and don't forget to thank ....

Answer 2

Answer:

Hi ,

Here is your answer

Average speed = Total distance

Total time

= 1200 + 600 = 1800 = 30 km/h

20 + 40 60

3️⃣0️⃣ km/ h