Q. If n is length of a rail in metres, the number of sleepers per rail length generally varies from (Solved)
1. n to (n + 2)
2. (n + 2) to (n + 4)
3. (n + 3) to (n + 6)
4. (n + 4) to (n + 5)
- c. (n + 3) to (n + 6)
1. n to (n + 2)
2. (n + 2) to (n + 4)
3. (n + 3) to (n + 6)
4. (n + 4) to (n + 5)