Correct Answer - Option 1 : D
The cluttered letters when arranged to make meaningful words is shown below:
A. ACETREH → TEACHER
B. UETSTND → STUDENT
C. YIBLRRA → LIBRARY
D. KRTMAE → MARKET
All options except 'MARKET' are terms associated with School.
Hence, 'KRTMAE' is the odd one out.