Find the odd one.

1) Management is an art, a science, commerce, a profession.
Ans:- Management is commerce

2) Singer, Actor, Dancer, Doctor.
Ans:- Doctor

3) Doctor, Chartered Accountant, Lawyer, Singer.
Ans:- Singer.

4) Lower level, Middle level, Top level, High level.
Ans:- High level.

5) Board of Directors, President, Purchase Manager, Chief Executive Officer (CEO).
Ans:- Purchase Manager

6) Departmental Head, Finance Manager, Production Manager, Supervisor.
Ans:- Supervisor

7) Supervisor, Foreman, Finance Manager, Office Supertendent.
Ans:- Finance Manager