IIBM Institute of Business Management Examination Paper Operations Research Section A: Objective Type & Short Questions (30 Marks) MM.100  Part One:  This section consists of Multiple Choice & Short Note type questions.   Answer all the questions.   Part One carries 1 mark each & Part Two carries 5 marks each  Multiple Choices 1. In case of (<=) inequality, to convert the inequality to an equation, we used to add a slack variable to the left hand side of the constraint, this slake variable should be________ a. Negative b. Positive c. May be positive or negative d. Zero 2. In a set of m Χ n equations (m