Multiple Choice Questions:

1. Operations Research (OR) , which is a very powerful tool for????????????????

a) Research

b) Decision – Making

c) Operations

d) None of the above

2. Operations Research has the characteristics the it is done bya team of ?????????????????

a) Scientists

b) Mathematicians

c) Academics

d) All of the above

3. 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

4. ______________ is a mathematical technique used to solve theproblem of allocating limited resource among the competingactivities

a) Linear Programming problem

b) Assignment Problem

c) Replacement Problem

d) Non linear Programming Problem

5. Which technique is used in finding a solution for optimizinga given objective, such as

profit maximization or cost reduction under certainconstraints?

a) Quailing Theory

b) Waiting Line

c) Both A and B

d) Linear Programming

6. What is the objective function in linear programmingproblems?

a) A constraint for available resource

b) An objective for research and development of a company

c) A linear function in an optimization problem

d) A set of non-negativity conditions

7. Feasible solution satisfies

a) Only constraints

b) only non-negative restriction

c) [a] and [b] both

d) [a],[b] and Optimum solution

8. Which statement characterizes standard form of a linearprogramming problem?

a) Constraints are given by inequalities of any type

b) Constraints are given by a set of linear equations

c) Constraints are given only by inequalities of >= type

d) Constraints are given only by inequalities of <= type

9. Minimize Z =

a) –maximize(Z)

b) -maximize(-Z)

c) maximize(-Z)

d) none of the above

10. In graphical method the restriction on number of constraintis .

a) 2

b) not more than 3

c) 3

d) none of the above

11. In graphical representation the bounded region is known asregion.

a) Solution

b) basic solution

c) feasible solution

d) optimal

12. Identify the type of the feasible region given by the set ofinequalities

x - y <= 1

x - y >= 2

where both x and y are positive.

a) A triangle

b) A rectangle

c) An unbounded region

d) An empty region

13. The coefficient of slacksurplus variables in the objectivefunction are always assumed to be ______________.

a) 0

b) 1

c) M

d) -M

14. Mathematical model of linear programming problem isimportant because ______________.

a) it helps in converting the verbal description and numericaldata into mathematical expression

b) decision makers prefer to work with formal models

c) it captures the relevant relationship among decisionfactors

d) it enables the use of algebraic technique

15. For maximization in TP, the objective is to maximize thetotal ??????????

a) Solution

b) Profit Matrix

c) Profit

d) None of the above