A train met with an accident 3 hours after starting, which detains it for one hour, after which it proceeds at 75% of its original speed. It arrives at the destination 4 hours late. Had the accident taken place 150 km further along the railway line, the train would have arrived only 31hours late.2 Find the length of the trip and the original speed of the train.

A train met with an accident 3 hours after starting, which detains it

1.	A train met with an accident 3 hours after starting, which detains it for one hour, after which it proceeds at 75% of its original speed. It arrives at the destination 4 hours late. Had the accident taken place 150 km further along the railway line, the train would have arrived only 31hours late.2 Find the length of the trip and the original speed of the train.
A.	1100 km ; 100 kmph
B.	1200 km ; 100 kmph
C.	1200 km ; 90 kmph
D.	1600 km ; 90 kmph
Answer» C. 1200 km ; 90 kmph

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