- ABoth statements together are needed (neither alone is sufficient)
- BEither statement alone is sufficient
- CStatement II alone is sufficient but Statement I alone is not
- DStatement I alone is sufficient but Statement II alone is not
Step-by-Step Solution
I relates only X and Z, II relates only Z and Y. Together, Z is east of Y and X is north of Z, so X is north-east of Y.
Answer: A) Both statements together are needed (neither alone is sufficient)