EnglishUKPSC Lecturer (Mains) 2020
Q61.The LPP: Max. x1+ 5 2 x2 subject to 5x1 + 3x2≤15 –x1+x2 ≤1 2x1+5x2≤10 and x1, x2≥ 0 has:
Correct answer: Infinitely many optimal solutions
EnglishUKPSC Lecturer (Mains) 2020
Q62.Dual simplex method is applicable to those Linear programming Problems that start with
Correct answer: an infeasible but optimal solution
EnglishRajasthan TGT 2016
Q63.To solve the following LPP by simplex method how many artificial variable/s will be added? min z = 5x1+2x2 s.t. 3x1 + x2 = 4 x1 + 2x2 ≤3 2x1 + x2 ≥ 3, x1, x2 ≤ 0
Correct answer: 2
EnglishRajasthan TGT 2016
Q64.The linear programming problem z = 5x + 7y subject to the constraints x + y≤ 6; 2x + 3y ≥ 3; x ≥ 3, y≥3, then z is
Correct answer: Either minimum or maximum
EnglishRajasthan TGT 2016
Q65.In an assignment problem, if all ij c 0 ≥, then xij = Xij will be an optimal solution where
Correct answer: ij ij i j c X 0 = ∑∑
EnglishUKPSC Lecturer (Mains) 2020
Q66.For the system of linear equations: x1 + 2x2 + x3 = 4 2x1 + x2 + 5x3 = 5 Which one is not true?
Correct answer: x1 = 0, x2 = 2, x3 = 1