A business man was interviewing applicants for the position of divisional manager. He devised a simple test to select the most suitable person for the job. He asked each applicant the question ""What is two and two?"" The first interviewee was a journalist. His answer was ""Twenty-two."" The second was a social worker. She said ""I don't know the answer but I'm glad we had time to discuss this important question."" The third applicant was an engineer. He pulled out a slide rule and showed the …