Q. Each mile of railway track required
A. 1760-2000 sleepers
B. between 1670-2200 sleepers
C. 3 to 5 sleepers
D. 35,000 trees
Answer: 1760-2000 sleepers
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A. 1760-2000 sleepers
B. between 1670-2200 sleepers
C. 3 to 5 sleepers
D. 35,000 trees
Answer: 1760-2000 sleepers