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This section includes 2265 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
251. |
In queuing theory, ...................... refers to those waiting in a queue or receiving service. |
A. | Service provider |
B. | Customer |
C. | Both a and b |
D. | None of these |
Answer» C. Both a and b | |
252. |
................... is an event oriented network diagram. |
A. | CPM |
B. | PERT |
C. | Histogram |
D. | Ogive |
Answer» C. Histogram | |
253. |
Operations Research Society of India was formed in the year .................. |
A. | 1950 |
B. | 1955 |
C. | 1957 |
D. | 1960 |
Answer» D. 1960 | |
254. |
............................ is the latest time by which an activity can be finished without delaying thecompletion of the project. |
A. | LST |
B. | LFT |
C. | EFT |
D. | EST |
Answer» C. EFT | |
255. |
An event which represents the beginning of more than one activity is a : |
A. | Merge event |
B. | Net event |
C. | Burst event |
D. | None of these |
Answer» D. None of these | |
256. |
If a simplex table shows the values 2, -3, 0 against “θ”, which should be taken as the replacementratio. |
A. | 2 |
B. | -3 |
C. | None of these *** |
Answer» D. | |
257. |
The assignment problem is: |
A. | Requires that only one activity be assigned to each resource |
B. | Is a special case of transportation problem |
C. | Can be used to maximise resource |
D. | All the above |
Answer» E. | |
258. |
..................... are expressed in the form of equations |
A. | Objectives |
B. | Constraints |
C. | Both a and b |
D. | None of these |
Answer» C. Both a and b | |
259. |
............................... is concerned with determination of the most economic replacement policy. |
A. | Probabilistic programming |
B. | Linear programming |
C. | Search theory |
D. | Replacement theory |
Answer» E. | |
260. |
Matrix Minima Method to find initial feasible solution to a TP is also called ....................... |
A. | NWCM |
B. | LCM |
C. | VAM |
D. | None of these |
Answer» D. None of these | |
261. |
.................... defined Operations Research as “the art of winning wars without actually fighting.” |
A. | H M Wagner |
B. | H A Taha |
C. | T L Saaty |
D. | Arthur Clark |
Answer» E. | |
262. |
A minimisation problem can be connected into maximisation problem by changing the signs ofcoefficients in the ........................... |
A. | Constraints |
B. | Objectives |
C. | Both a and b |
D. | None of these |
Answer» C. Both a and b | |
263. |
By the beginning of ........................., the industries in USA realised the importance ofManagement Science in solving business and management problems. |
A. | 1930s |
B. | 1940s |
C. | 1950s |
D. | 1960s |
Answer» D. 1960s | |
264. |
MODI Method to test the optimality of a feasible solution to TP is also called............... |
A. | Stepping Stone Method |
B. | u. v. Method |
C. | both a and b |
D. | none of these |
Answer» C. both a and b | |
265. |
Commonly assumed probability distribution of arrival pattern is ....................... |
A. | Poisson distribution |
B. | Binomial distribution |
C. | Normal distribution |
D. | None of these |
Answer» B. Binomial distribution | |
266. |
Any column or row of a simplex table is known as ......................... |
A. | Key column |
B. | Key row |
C. | Vector |
D. | None of these |
Answer» D. None of these | |
267. |
.......................... is the duration by which an activity can be delayed without delaying the project. |
A. | Slack |
B. | Total float |
C. | Both a and b |
D. | None of these |
Answer» C. Both a and b | |
268. |
The graphical method if LPP uses: |
A. | Linear equations |
B. | Constraint equations |
C. | Objective function |
D. | All of the above |
Answer» E. | |
269. |
............................ models involve the allocation of resources to activities in such a way that somemeasure of effectiveness is optimised. |
A. | Sequencing |
B. | Allocation |
C. | Queuing theory |
D. | Decision theory |
Answer» C. Queuing theory | |
270. |
................................was the first person who developed a viable queueing theory |
A. | Von Neumann |
B. | Morgenstern |
C. | H M Wagner |
D. | Simeon Dennis Poisson |
Answer» E. | |
271. |
In Transportation Problem, LCM stands for ............................. |
A. | Lowest Common Multiplier |
B. | Least Cost Method |
C. | Lowest Cell Method |
D. | None of these |
Answer» C. Lowest Cell Method | |
272. |
In a network diagram, activity is denoted by ............................ |
A. | Node |
B. | Arrow |
C. | Triangle |
D. | None of these |
Answer» C. Triangle | |
273. |
The maximise criteria is ........................... |
A. | Optimistic |
B. | Pessimistic |
C. | Neutral |
D. | None of these |
Answer» C. Neutral | |
274. |
A matrix which shows the gains and losses resulting from moves and counter moves iscalled.................................. |
A. | Cost matrix |
B. | Pay off matrix |
C. | Both a and b |
D. | None of these |
Answer» C. Both a and b | |
275. |
Excess of service facilities over and above the number of customers results: |
A. | Idleness of service capacity |
B. | Queues |
C. | Both a and b |
D. | None of these |
Answer» B. Queues | |
276. |
Which of the followings is an assumption of Linear Programming Technique? |
A. | Divisibility |
B. | Additivity |
C. | Proportionality |
D. | All of the above |
Answer» E. | |
277. |
PERT stand for: |
A. | Performance Evaluation Review Technique |
B. | Programme Evaluation Review Technique |
C. | Programme Evaluation Research Technique |
D. | None of these |
Answer» C. Programme Evaluation Research Technique | |
278. |
An assignment problem can be solved by ......................... |
A. | Simplex method |
B. | Transportation method |
C. | Both a and b |
D. | None of these |
Answer» D. None of these | |
279. |
In Linear Programming Problem, degeneracy occurs in ................. stages. |
A. | One |
B. | Two |
C. | Three |
D. | Four |
Answer» C. Three | |
280. |
In transportation Problems, VAM stands for ......................... |
A. | Value Addition Method |
B. | Vogel’s Approximation Method |
C. | Virgenean Approximation Method |
D. | None of these |
Answer» C. Virgenean Approximation Method | |
281. |
The position in the pay off matrix where the maximin coincides with the minimax. |
A. | Saddle point |
B. | Break even point |
C. | Pivot point |
D. | None of the above |
Answer» B. Break even point | |
282. |
......................... is a series of activities related to a project. |
A. | Network |
B. | Transportation Model |
C. | Assignment model |
D. | None of these |
Answer» B. Transportation Model | |
283. |
In an LPP, if the solution of a variable can be made infinitely large without violating theconstraints, then the solution is .............................. |
A. | Infeasible |
B. | Alternative |
C. | Unbounded |
D. | Unique |
Answer» D. Unique | |
284. |
Which of the following method is used to solve mixed strategy problems: |
A. | Probability method |
B. | Graphic method |
C. | Linear Programming method |
D. | All of the above |
Answer» E. | |
285. |
Operations Research has the characteristic that it is done by a team of ..................... |
A. | Scientists |
B. | Mathematicians |
C. | Academicians |
D. | Politicians |
Answer» B. Mathematicians | |
286. |
Operations Research uses models to help the management in determining its ....................scientifically. |
A. | Policies |
B. | Actions |
C. | Both a and b |
D. | None of these |
Answer» D. None of these | |
287. |
A queue is formed when the demand for a service: |
A. | Exceeds the capacity to provide that service |
B. | Is less than the capacity to provide that service |
C. | a or b |
D. | None of these |
Answer» B. Is less than the capacity to provide that service | |
288. |
The outcome of a game is known as.................... |
A. | Profit |
B. | Loss |
C. | Pay off |
D. | None of these |
Answer» D. None of these | |
289. |
Which of the following is a characteristic of a dual problem: |
A. | Dual of a dual is primal |
B. | If dual has a finite optimal solution, then the primal also has finite optimal solution |
C. | If dual has no feasible solution, then the primal also has no feasible solution |
D. | All of the above |
Answer» E. | |
290. |
................................is that element of the simplex table which lis both in the key row and keycolumn. |
A. | Key element |
B. | Pivot element |
C. | Both a and b |
D. | None of these |
Answer» D. None of these | |
291. |
Linear Programming Technique helps to find an optimal use of: |
A. | Machine |
B. | Money |
C. | Manpower |
D. | All of the above |
Answer» E. | |
292. |
Every Linear Programming Problem is related to another Linear Programming Problem, called.......................... |
A. | Primal |
B. | Dual |
C. | Non-linear Programming |
D. | None of these |
Answer» C. Non-linear Programming | |
293. |
A model is a ........................... |
A. | An essence of reality |
B. | An approximation |
C. | An idealisation |
D. | All of the above |
Answer» E. | |
294. |
...................... is a method of analysing the current movement of the some variable in aneffort to predict the future movement of the same variable. |
A. | Goal programming |
B. | Queuing theory |
C. | Markov Analysis |
D. | Replacement theory |
Answer» D. Replacement theory | |
295. |
Which of the following methods is used to solve an assignment problem: |
A. | Enumeration Method |
B. | Hungarian Method |
C. | Simplex Method |
D. | All of the above |
Answer» E. | |
296. |
Commonly assumed probability distribution of service pattern are ....................... |
A. | Poisson distribution |
B. | Exponential distribution |
C. | Erlang distribution |
D. | b and c |
Answer» E. | |
297. |
Operations Research cannot give perfect .................. to the problem. |
A. | Answers |
B. | Solutions |
C. | Both a and b |
D. | Decisions |
Answer» D. Decisions | |
298. |
Straight lines shown in a linear programming graph indicates ........................... |
A. | Objective function |
B. | Constraints |
C. | Points |
D. | All of the above |
Answer» C. Points | |
299. |
The variables which cannot be manipulated by the decision maker are called.................... |
A. | Controllable variables |
B. | Uncontrollable variables |
C. | Both a and b |
D. | None of these |
Answer» C. Both a and b | |
300. |
A customer’s behaviour of leaving the queue due to impatience is called ....................... |
A. | Jockying |
B. | Reneging |
C. | Collusion |
D. | Balking |
Answer» C. Collusion | |