Q4
The speed of the train going from Nagpur to Allahabad is 100 km/h while when coming back from Allahabad to Nagpur, its speed is 150 km/h. find the average speed during whole journey.
A.
125 km/hr
B.
75 km/hr
C.
135 km/hr
D.
120 km/hr
AnswerAnswer: Option D
Solution
Answer: Option D
Solution: