- AStatement I alone is sufficient but Statement II alone is not
- BStatement II alone is sufficient but Statement I alone is not
- CEither statement alone is sufficient
- DBoth statements together are needed (neither alone is sufficient)
Step-by-Step Solution
Statement I leaves S unplaced; Statement II leaves Q and R unplaced. Together, S is taller than P who is taller than Q and R, so S is the tallest.
Answer: D) Both statements together are needed (neither alone is sufficient)