31 Jul 2014

Smu mba operations research model paper


MODEL PAPER
MB0048 Operations Research
(4 Credits)
Book code: B1137
Group A: 1 Marks Questions (Question Number 1-40)
Group B: 2 Marks Questions (Question Number 41-60)
Group C: 4 Marks Questions (Question Number 61-75)
Full Marks: 140

7.
In canonical form
a. All constraints are “” type 0
b. Some constraints are “” type 0
c. Some constraints “” type 0
d. All constraints are “” type 1 8.
3X – 5Y  - 15 can be written as
a. -3X + 5Y  - 15 0
b. 3X + 5Y  15 0
c. - 3X + 5Y  15 1
d. - 3X + 5Y  - 15 0
9.
Any non-negative values of the variables lead to
a. Solution 0
b. Basic solution 0
c. Feasible solution 1
d. Infeasible solution 0
10.
Optimal solution always occurs
a. Within the feasible region 0
b. On the boundaries of feasible region 0
c. At corner points of feasible region 1
d. Anywhere 0
11.
The feasible solution to the problem exists
a. At middle of the feasible region 0
b. At the corner points of the region 1
c. Outside the region 0 d. Located at every point 0
12.
The non-negativity conditions are expressed as
a.  0 1
b.  0 0
c. = 0 0
d. < 0 0
13.
The standard form of L.P.P is
a. Optimize Z =

n
j 1
CiXi, Subject to

n
j 1
aijXj = bi, i = 1,….. n 0
b. Optimize Z =

n
j 1
CiXi, Subject to

n
j 1
aijXj > bi, i = 1,….. n 0
c. Optimize Z =

n
j 1
CiXi, Subject to

n
j 1
aijXj  bi, i = 1,….. n 0
d. Optimize Z =

n
j 1
CiXi, Subject to

n
j 1
aijXj  bi, i = 1,….. n 1  Imp
14.
If in a system of m equations in n (n  m) variables, we assign n-m variables as
zero then the n-m variables are called as

a. Decision variable 0
b. Slack variables 0
c. Non-basic variables 1
d. Surplus variables 0
15. Consider the system of equations
2X1 + X2 + 3X3 = 6
X1 + 3X2 – X3 = 8
Let X3 be a non-basic variable, then value of X1 is

a. 1 1
b. 0 0
c. 2 0
d. 3 0
16.
The constraint 3X1 + 2X2 + 7X3  20, in standard form is
a. 3X1 + 2X2 + 7X3 + S1 = 20 0
b. 3X1 + 2X2 + 7X3 –S1 + A1 = 0 1
c. 2X1 + 3X2 + 7X3 +S1 + A1 = 0 0
d. 2X1 + 3X2 + 7X3 –S1 + A1 = 0 0
Please Answer All Questions – Only One Option is Correct
Group A
1. Operations Research provides
 a. Earliest solution 0
 b. Feasible solutions 0
 c. Scientific approach to solutions 1
 d. Statistical approach to solutions 0
2. Operations Research totally eliminates
a. Quantitative approach 0
b. Intuitive approach 1  imp
c. Qualitative approach 0
d. Decision makers ability 0
3.
Operations Research approaches problem solving and decision making from
a. Individual’s view 0
b. Departmental view 0 c. Technical view 0
d. The total system’s view 1
4. In the Research phase we decide
a. Formulation of the problems 0
b. Determination of the operation 0
c. Making recommendations 0
d. Formulation of hypothesis and model 1
5. Graphs and charts belong to
a. Physical model 1
b. Mathematical model 0
c. Deterministic model 0
d. General model 0
6. Existence of alternative courses of action in L.P.P is  imp
a. An assumption 0
b. A basic requirement 1
c. A hypothesis 0
d. An objective 0o    All Exam Paper For SMU

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