P. 4053. A train goes through a 1100 m long tunnel with a speed of 72 km/h, in one minute. What is the length of the train?
Deadline expired on 11 April 2008.
Statistics on problem P. 4053. 201 students sent a solution.
3 points:187 students.
2 points:9 students.
Unfair, not evaluated:5 solutions.