# Operations Research MCQ PDF

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## Operations Research MCQ

Operations research (OR) is an analytical method of problem-solving and decision-making that is useful in the management of organizations. In operations research, problems are broken down into basic components and then solved in defined steps by mathematical analysis.

Operations Research is the science of rational decision-making and the study, design, and integration of complex situations and systems with the goal of predicting system behavior and improving or optimizing system performance.

### Operations Research MCQ

1. ________are entities whose value is determined from the solution of LPP

A. objective function

B. decision variable

C. constraints

D. opportunity cost

A.objective function
2. The region of feasible solution in LPP graphical method is called ____
A. infeasible region

B. unbounded region

C. infinite region

D. feasible region

D.feasible region
3. The outgoing variable row in the simplex table is called ____
A. outgoing row

B. key row

C. basic row

D. interchanging row

C.basic row
4. When the solution is degenerate in transportation problem, we add a _
A. dummy

B. epsilon

C. penalty

D. regret

B.epsilon
5. ______method is used in Assignment Problem
A. ncwr

B. lcm

C. vam

D. hungarian

D.hungarian
6. The longest path in the network diagram is called ____

B. sub path

C. critical path

D. sub critical path

C.critical path
7. IF the Minimax are ( 10,18,16) and Maximin are (8,10,7). The saddle point is ___
A. 7

B. 10

C. 18

D. 8

B.10
8. Pick the wrong relationship:
A. interfering float = total float – free float

B. total float =free float + independent float

C. total float ≥ free float ≥ independent float

D. free float = total float – head event slack

B.total float =free float + independent float
9. The shortest time in the PERT is called ______time
A. expected

B. pessimitic

C. optimistic

D. most likely

C.optimistic
10. The total time required to complete all the jobs in a job sequence problem is known as ______
A. processing order

B. idle time

C. processing time

D. elapsed time

D.elapsed time
11. Operations Research Models in which values of all variables and all possible outcomes are known with certainty are called models.
A. physical

B. symbolic

C. deterministic

D. probabilistic

C.deterministic
12. Operations Research Models in which some or all variables are random in nature are called models.
A. physical

B. symbolic

C. deterministic

D. probabilistic

D.probabilistic
13. and are techniques applied in project management.
A. cpm and pert

B. assignment & transportation

C. game theory

D. decision theory& inventory models

A.cpm and pert
14. are the entities whose values are to be determined from the solution of the LPP.
A. objective function

B. decision variables

C. constraints

D. opportunity cost

B.decision variables
15. specifies the objective or goal of solving the LPP.
A. objective function

B. decision variables

C. constraints

D. opportunity cost

A.objective function

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