Question

52)
The speed of a train gradually decreases by 60km/hr to 0 km/hr. The average speed of the train is.
1)30km/hr
2)60km/hr
3)20km/hr
4)10km/hr​

Answer 1

Answer:

option c is the correct answer

20km/hr

Explanation:

Answer 2

Explanation:

how answer is 29 tell. me fast