- AEither statement alone is sufficient
- BStatement II alone is sufficient but Statement I alone is not
- CStatement I alone is sufficient but Statement II alone is not
- DBoth statements together are needed (neither alone is sufficient)
Step-by-Step Solution
From I, D is above B, A and C but E is unplaced (E could be tallest). II places E below C. Together D > B > C > E and D > B > A, so D is the tallest.
Answer: D) Both statements together are needed (neither alone is sufficient)