E .  if both the conclusions I and II are true.
Answer: Option D
H = D -- (i); D > R -- (ii); R ≥ N -- (iii)Combining (i) and (ii), we get:R > H = D -- (iv)From (iii) and (iv), we can't get any specific relation between N and H. Therefore, conclusion I (N = H) and conclusion II (N > H) are not true.
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