Q388
A train travels the distance between stations P and Q at a speed of 126 km/h, while in the opposite direction it comes back at 90 km/h. Another train travels the same distance at the average speed of the first train. The time taken by the second train to travel 525 km is:
A.
5 hours
AnswerB.
4 hours
C.
5 hours 20 minute
D.
4 hours 20 minute
Answer: Option A
Solution
Answer: Option A
Solution: