- ABoth statements together are needed (neither alone is sufficient)
- BStatement I alone is sufficient but Statement II alone is not
- CStatement II alone is sufficient but Statement I alone is not
- DEither statement alone is sufficient
Step-by-Step Solution
I leaves S's height unknown and II says nothing about P or R. Together P > Q > S and P > R, so P is tallest.
Answer: A) Both statements together are needed (neither alone is sufficient)