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Consider the following statements:

  1. Revised simplex method requires lesser computations than the simplex methods
  2. Revised simplex method automatically generates the inverse of the current basis matrix
  3. Less number of entries are needed in each table of the revised simplex method than usual simplex method

Which of these statements is true?

  1. a and b only
  2. a and c only
  3. b and c only
  4. a, b, and c
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1 Answer

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Revised simplex method is an improvement over simplex method. Revised simplex method is computationally more efficient and accurate.Benefit of revised simplex method is  comprehended in case of large LP problems. In simplex method the entire simplex tableau is updated while a small part of it is used. The revised simplex method uses exactly the same steps as those in simplex method. The only difference occurs in the details of computing the entering variables and departing variable

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so Ans is D 


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