English UPPSC Polytechnic Lecturer 2021(II)
Q41. The degeneracy in the transportation problem indicates that -
A Dummy allocation(s) needs to be added
B The multiple optimal solution exist
C The problem has no feasible solution
D (a) and (c) but not (b)
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Correct answer: The multiple optimal solution exist
English UPPSC Polytechnic Lecturer 2021(II)
Q42. The solution to a transportation problem with m-rows (supplies) & n-columns (destination) is feasible of number of positive allocations are –
A m + n
B m × n
C m + n – 1
D None of these
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Correct answer: m + n – 1
English UPPSC Polytechnic Lecturer 2021(II)
Q43. Let a salesman visits 'n' cities, then the number of possible routes are –
A n!
B n – 1
C n
D (n – 1)!
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Correct answer: (n – 1)!
English UPPSC Polytechnic Lecturer 2021(II)
Q44. If an opportunity cost value is used for an unused call to test optimality, it should be –
A Equal to zero
B Most negative number
C Most positive number
D None of these
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Correct answer: Most negative number
English UPPSC Polytechnic Lecturer 2021(II)
Q45. The Hungarian method for solving an assignment problem can be used to solve –
A a transportation problem
B a travelling salesman problem
C Both (a) and (b)
D None of these
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Correct answer: a travelling salesman problem
English UPPSC Polytechnic Lecturer 2021(II)
Q46. When total supply is equal to total demand in a transportation problem, the problem is said to be -
A Balanced
B Unbalanced
C Degenerate
D None of these
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Correct answer: Balanced
English UPPSC Polytechnic Lecturer 2021(II)
Q47. If there are 'n' variables and 'm' inequalities in the primal linear programming problem, then the dual problem will contain –
A (m – 1) variables & (n–1) inequalities
B (m+1) variables & (n+1) inequalities
C n variables and m inequalities
D m variables and n inequalities
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Correct answer: m variables and n inequalities
English UPPSC Polytechnic Lecturer 2021(II)
Q48. The critical path of a network is
A The longest time path
B The shortest time path
C The highest cost path
D The lowest cost path
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Correct answer: The longest time path
English UPPSC Polytechnic Lecturer 2021(II)
Q49. The value of player A for the following payoff matrix is –
A 4/3
B −4/3
C 8/3
D −8/3
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Correct answer: 8/3
English UPPSC Polytechnic Lecturer 2021(II)
Q50. The extreme points of the set {(x, y): |x| ≤ 5, |y| ≤ 5} are -
A (5, 5), (–5, –5), (–5, 5), (5, –5)
B (–5, 5), (0, 0), (0, –5), (–5, 0)
C (5, 5), (0, 0), (0, 5), (5, 0)
D (–5, –5), (5, 5), (0, –5), (5, 0)
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Correct answer: (5, 5), (–5, –5), (–5, 5), (5, –5)
English UPPSC Polytechnic Lecturer 2021(II)
Q51. Who is known as the father of Game Theory?
A Johnsons
B Hungarian
C Vogel
D J. Von Neumann
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Correct answer: J. Von Neumann
English UPPSC Polytechnic Lecturer 2021(II)
Q52. Maximum values of z = {min (3x1 – 10), min (- 5x1 + 5)} for 0 ≤ x1 ≤ 5 is -
A 10
B 0
C –10
D None of these
Show answer
Correct answer: –10
Q53. What is the maximum value of P = 6x + 8y, when the condition are: 2x + y ≤ 30; x + 2y ≤ 24; x ≥ 0, y ≥ 0
A 60
B 120
C 240
D 305
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Correct answer: 120
Q54. An L.P.P with m restrictions in n variables, the maximum number of basic feasible solutions
A n/Cm+1
B n+1/Cm+1
C n/Cm
D n/Cm – 1
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Correct answer: n/Cm
Q55. An L.P.P. is given below max z = 3x1 + 2x2 such that x1 + x2 ≤ 4 x1 – x2 ≤ 2 x1, x2 ≥ 0 The solution of this L.P.P. is
A x1 = 1, x2 = 4
B x1 = 3, x2 = 0
C x1 = 2, x2 = 2
D x1 = 3, x2 = 1
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Correct answer: x1 = 3, x2 = 1
Q56. Which of the following condition is/are used in simplex method?
A or
B Image/formula option B (see source)
C Both
D Either
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Correct answer: Both
English UKPSC Lecturer (Mains) 2020
Q57. The feasible region for the linear programming problem. Maximize z = 9x1 + 7x2 Subject to x1 + 2x2 ≥ 7 x1 – x2 ≤4 and x1, x2≥ 0 is:
A Unbounded
B Bounded
C Closed
D None of these
Show answer
Correct answer: Unbounded
English UKPSC Lecturer (Mains) 2020
Q58. Suppose the Linear Programming problem. Minimize z = 2x1 + x2 Subject to x1 + x2≥ 1 x1 + 2x2≤10 x2 ≤4 and x1, x2≥ 0 is:
A 1
B 2
C 3
D 4
Show answer
Correct answer: 1
English UKPSC Lecturer (Mains) 2020
Q59. If there is no feasible region for a Linear Programming Problem, then the problem has/have
A Infinite solutions
B No solutions
C Unbounded solutions
D A unique solution
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Correct answer: No solutions
English UKPSC Lecturer (Mains) 2020
Q60. The LPP: Max. x1+ 5 2 x2 subject to 5x1 + 3x2≤15 –x1+x2 ≤1 2x1+5x2≤10 and x1, x2≥ 0 has:
A No feasible solution
B Infinitely many optimal solutions
C A unique optimal solution
D An unbounded solution
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Correct answer: Infinitely many optimal solutions