Description : Operations Research models in which values of all variables and all possible outcomes are known with certainty are called _____ a. Physical b. Symbolic c. Deterministic d. Probabilistic
Last Answer : c. Deterministic
Description : Operations Research techniques cannot be applied to _____ a. Managerial judgement b. Business initiatives c. Customer perceptions d. All of the above
Last Answer : c. Customer perceptions
Description : 13. Operations Research cannot give perfect _____ to problems a. Answers b. Solutions c. Both a & b d. Decisions
Last Answer : c. Both a & b
Description : 9. Operations Research has the characteristics that it is done by a team of _____ a. Scientists b. Mathematicians c. Academics d. All of the above
Last Answer : a. Scientists
Description : 5. Operations Research was known as an ability to win a war without really going into a _____ a. Battle Field b. Fighting c. War d. Both a & b
Last Answer : d. Both a & b
Description : The Term Operations Research was coined in the year _____ a. 1950 b. 1940 c. 1978 d. 1960
Last Answer : B. 1940
Description : Operations Research, which is a very powerful tool for _____ a. Research b. Decision-Making c. Operations d. None of the above
Last Answer : Decision-Making
Description : Probabilistic models are also called ........................... a. Deterministic models b. Dynamic models c. Stochastic models d. None of these
Last Answer : c. Stochastic models
Description : ......................... models involve more risks and uncertainties. a. Probabilistic b. Deterministic c. Both a and b d. None of these
Last Answer : a. Probabilistic
Description : In .................. models, everything is defined and the results are certain. a. Probabilistic b. Deterministic c. Both a and b d. None of these
Last Answer : b. Deterministic
Description : An assumption that implies that finite numbers of choices are available to a decision-maker and the decision variables do not assume negative values is known as _______ a. Certainty b. Continuity c. Finite choices d. None of the above
Last Answer : c. Finite choices
Description : Which variables are fictitious and cannot have any physical meaning? a. Optimal variable b. Decision variable c. Artificial variable d. None of the above
Last Answer : c. Artificial variable
Description : 26. Operations Research is a _________ a. Science b. Art c. Mathematics d. Both a & b
Description : . Operations Research involves _________ attacks of complex problems to arrive at the optimum solution a. Scientific b. Systematic c. Both a & b d. Statistical
Description : 16. Operations Research simply helps in improving the ______ of the solution but does not result in a perfect solution a. Quality b. Clarity c. Look d. None of the above
Last Answer : a. Quality
Description : . Operations Research techniques helps to find an ________ by taking into account all the factors a. Ultimate solution b. Alternate solution c. Optimum solution d. Maximise solution
Last Answer : c. Optimum solution
Description : 12. Operations Research involves various _______ to solve the problems a. Decisions b. Study c. Technique d. Applications
Last Answer : c. Technique
Description : Operations Research emphasizes on the overall approach to the system. This characteristic of Operations Research is often referred as a. System Orientation b. System Approach c. Interdisciplinary Team Approach d. None of the above
Last Answer : c. Interdisciplinary Team Approach
Description : 10. There is a great scope for ______ working as a team to solve problems of defence by using the Operations Research approach a. Economists b. Administrators c. Statisticians and Technicians d. All of the Above
Last Answer : d. All of the Above
Description : 8. Who defined Operations Research as an aid for the executive in marketing his decisions by providing him with the quantitative information based on the scientific method of analysis? a. C. Kitte b. H.M. Wagner c. E.L. Arnoff d. None of the above
Last Answer : a. C. Kitte
Description : 7. Who defined Operations Research as scientific approach to problem solving for executive management? a. E.L. Arnoff b. P.M.S. Blackett c. H.M. Wagner d. None of the above
Last Answer : c. H.M. Wagner
Description : 6. Who defined Operations Research as scientific method of providing executive departments with a quantitative basis for decisions regarding the operations under their control? a. Morse and Kimball (1946) b. P.M.S Blackett (1948) c. E.L. Arnoff and M.J. Netzorg d. None of the above
Last Answer : a. Morse and Kimball (1946)
Description : 4. This Innovative science of Operations Research was discovered during ________ a. Civil War b. World War I c. World War II d. Industrial Revolution
Last Answer : c. World War II
Description : 2. Who coined the term Operations Research? a. J.F. McCloskey b. F.N. Trefethen c. P.F. Adams d. Both a & b
Last Answer : a. J.F. McCloskey
Description : 42. _____ assumption means the prior knowledge of all the coefficients in the objective function , the coefficients of the constraints and the resource values a. Proportionality b. Certainty c. Finite choices d. Continuity
Last Answer : b. Certainty
Description : The primitives in probabilistic reasoning are random variables. a) True b) False
Last Answer : a) True
Description : 27. The mathematical model of an LP problem is important because a. It helps in converting the verbal description & numerical data into mathematical expression b. Decision-makers prefer to ... captures the relevant relationship among decision factors d. It enables the use of algebraic technique
Last Answer : a. It helps in converting the verbal description & numerical data into mathematical expression
Description : A basic solution which also satisfies the condition in which all basic variables are non-negative is called ___ a. Basic feasible solution b. Feasible solution c. Optimal solution d. None of the above
Last Answer : a. Basic feasible solution
Description : 65. Any feasible solution which optimizes (minimizes or maximizes) the objective function of the LPP is called as _______ a. Optimal solution b. Non-basic variables c. Solution d. Basic Feasible solution
Last Answer : a. Optimal solution
Description : In simplex method, we add _______ variables in the case of “=” a. Slack variable b. Surplus variable c. Artificial variable d. None of the above
Description : All the constraints are expressed as equations and the right hand side of each constraint and all variables are non-negative is called_______ a. Canonical variable b. Canonical form c. Canonical solution d. Both a & b
Last Answer : b. Canonical form
Description : 40. Which of the following is a limitation associated with an LP model a. The relationship among decision variables is linear b. No guarantee to get integer valued solutions c. No considerations of effect of time & uncertainty on LP model d. All of the above
Last Answer : d. All of the above
Description : . Non-negativity condition in an LP model implies a. A positive coefficient of variables in objective function b. A positive coefficient of variables in any constraint c. Non-negative value of resources d. None of the above
Last Answer : d. None of the Above
Description : 33. Before formulating a formal L P model it is better to a. Express each constrain in words b. Express the objective function in words c. Verbally identify decision variables d. All of the above
Description : 2. Non-Negativity condition is an important component of L P model because a. Variables value should remain under the control of the decision-maker b. Value of variables make sense & correspond to real-world problems c. Variables are interrelated in terms of limited resources d. None of the above
Last Answer : b. Value of variables make sense & correspond to real-world problems
Description : 30. The distinguishing feature of an LP model is a. Relationship among all variables is linear b. It has single objective function & constraints c. Value of decision variables is non-negative d. All of the above
Last Answer : a. Relationship among all variables is linear
Description : Is human thought deterministic or probabilistic?
Last Answer : answer:False dichotomy. Even if a series of events is probabilistic, there's still no room for agency' under the current understanding of Physics (yes; capital P). Therefore, the problem of ... by invoking quantum theory. We're still just along for the ride, except the ride is unpredictable.
Description : Which of the following statements is true? A. PERT is considered as a deterministic approach and CPM is a probabilis t ic techniques. B. PERT is considered as a probabilistic techniques ... and CPM are both probabilistic techniques. D. PERT and CPM are both considered as deterministic approachs
Last Answer : B. PERT is considered as a probabilistic techniques and CPM is considered as a deterministic approach
Description : In ……………… system the interaction between various subsystems cannot be defined with certainty A) Open System B) Closed System C) Deterministic System D) Probabilistic System
Last Answer : D) Probabilistic System
Description : Decision making under certainty refers to .............................. situation. a. Deterministic b. Probabilistic c. Competitive d. None of these
Last Answer : a. Deterministic
Description : An assignment problem is a special case of transportation problem, where a. Number of rows equals number of columns b. All rim conditions are 1 c. Values of each decision variable is either 0 or 1
Last Answer : D.variable is either 0 or 1
Description : . For __________ minimization, we take least value from each column and subtract it from all values of that column. a. Column b. Row c. Profit d. Cost
Last Answer : a. Column
Description : For __________ minimization, we take least value from each row and subtract it from all values of that row. a. Column b. Row c. Profit d. Cost
Last Answer : b. Row
Description : A set of values X1,X2……..Xn which satisfies the constraints of the LPP is called_______ a. Solution b. Variable c. Linearity d. None of the above
Last Answer : a. Solution
Description : 54. A constraint in an LP model becomes redundant because a. Two iso-profits may be parallel to each other b. The solution is unbounded c. This constraint is not satisfied by the solution values d. None of the above
Last Answer : d. None of the above
Description : In a game, the alternatives or courses of action available to each player are called _____ a. Options b. Choices c. Actions d. strategies
Last Answer : d. strategies
Description : The extra row or column which is added to balance an assignment problem is called _____ a. Regret b. Epsilon c. Dummy d. extra
Last Answer : c. Dummy
Description : _____ is another method to solve a given LPP involving some artificial variable? a. Big M method b. Method of penalties c. Two-phase simplex method d. None of the above
Last Answer : a. Big M method
Description : Every combination of strategies determines an outcome known as _____ a. Regret b. Payoff c. Saddle point d. Profit matrix
Last Answer : b. Payoff
Description : Floats for critical activities will be always _____ a. One b. Zero c. Highest d. Same as duration of the activity
Last Answer : b. Zero