- AStatement I alone is sufficient but Statement II alone is not
- BStatement II alone is sufficient but Statement I alone is not
- CBoth statements together are needed (neither alone is sufficient)
- DEither statement alone is sufficient
Step-by-Step Solution
Statement I gives C > B > A but says nothing about D, so the tallest is unknown. Statement II gives D > C > A and B, so D is the tallest — sufficient.
Answer: B) Statement II alone is sufficient but Statement I alone is not