Correct Answer: Only either I or II is true
Explanation:
Z = M ...(i) M ≤ F ...(ii) F > D ...(iii)
From (i) and (ii) Z = M ≤ F or F ≥ Z ...(iv)
Hence either F = Z (I is true) or F > Z (II follows)
From (iii) and (iv) no relationship can be established between D and Z Hence III does not follow.
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