Q424
A metro train runs at the speed of 40 km/h from station A to station B covering a distance of 30 km. It stops at 5 stations in between, for 5 minutes at each station. What is the average speed (in km/h) of the train from A to B?
A.
22.5
B.
25.7
AnswerC.
27.5
D.
24.7
Answer: Option B
Solution
Answer: Option B
Solution:
Speed = 40 km/hrDistance = 30 km
Time = × 60 = 45 min
Stoppage time = 5 × 5 = 25 min
Total time = 70 min