question_answer

  Each mile of railway track required between 1760 and 2000 sleepers. If one average sized tree yields 3 to 5 sleepers for a 3 metre wide broad gauge track, calculate approximately how many trees would have to be cut to lay one mile of track.

Answer:

                  Average number of sleepers required per mile sleepers Average number of sleepers obtained from one tree = 4 Therefore, approximate number of trees to be cut trees