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Operations Research




                    Notes          9.  Six plants with capacities of 100, 70, 80, 20, 55 and 95 respectively, supply goods to five
                                       stores requiring 50, 200, 30, 60 and 80 units respectively. The transportation costs matrix
                                       are given below. Find the optimal solution:
                                             Plants                            Stores
                                                           1          2          3           4          5
                                               1          10          8          6           3          5
                                               2           2          9          9           8          0
                                               3           0          10         15          8          7
                                               4           6          3          12         15          0
                                               5           8          9          6           2          1
                                               6          20          0          8           5          11

                                   10.  Find the minimum transportation cost.

                                             Source                     Destination                  Available
                                                          D1       D2       D3       D4       D5
                                               S1          4        7       3        8        2         4
                                               S2          1        4       7        3        8         7
                                               S3          7        2       4        7        7         9
                                               S4          4        7       2        4        7         2
                                           Requirement     8        3       7        2        2         -

                                   11.  Solve the following transportation problem for maximum profit:
                                                                   Per unit Profit (Rs.) Market   Availability   of
                                              Warehouse        A        B        C        D        Warehouses

                                                 X            12        18       6        25          200
                                                 Y             8        7        10       18          500
                                                 Z            14        3        11       20          300
                                            Demand in the     180      320       100      400
                                               Market

                                   Answers: Self  Assessment

                                   1.  (a)                               2.   (c)
                                   3.  (b)                               4.   Transshipment

                                   5.  High                              6.   Transportation Cost




















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