question_answer

A train covers a certain distance at an uniform speed. If the train had been 10 kmph faster, it would take 5 hours less than the scheduled time and if the train were slower by 10 kmph, it would have taken 7.5 hours more than the scheduled time. Find total length of the journey.

A)  1500 km

B)  1200 km

C)  1100 km                      

D)  1300 km

E)  None of these