An extra 7.5 cm ballast width is not provided on outer side on a curve, if its degree is

Question: An extra 7.5 cm ballast width is not provided on outer side on a curve, if its degree is
[A].

6°

[B].

5°

[C].

4°

[D].

3°

Answer: Option D

Explanation:

No answer description available for this question.