Explanation : Assignment problem is a special case of transportation problem. It requires that only one activity be assigned to each resource and it can be used to minimize the cost. All statement are correct. So, option (D) is correct.
Explanation : The process of fuzzy reasoning is incorporated into what is called a Fuzzy Inferencing System. It involves three steps: 1 - Fuzzification 2 - Rule evaluation(inferencing) 3 - Defuzzification These steps are done sequencly 1 → 2 → 3. So, option (A) is correct.