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Question
Choose the correct alternative:
In an assignment problem the value of decision variable xij is ______
Options
1
0
1 or 0
none of them
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Solution
1 or 0
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Write mathematical form of transportation problem
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| D1 | D2 | D3 | Supply | |
| O1 | 9 | 8 | 5 | 25 |
| O2 | 6 | 8 | 4 | 35 |
| O3 | 7 | 6 | 9 | 40 |
| Demand | 30 | 25 | 45 |
Determine basic feasible solution to the following transportation problem using North west Corner rule.
| Sinks | |||||||
| A | B | C | D | E | Supply | ||
| P | 2 | 11 | 10 | 3 | 7 | 4 | |
| Origins | Q | 1 | 4 | 7 | 2 | 1 | 8 |
| R | 3 | 9 | 4 | 8 | 12 | 9 | |
| Demand | 3 | 3 | 4 | 5 | 6 | ||
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| I | II | III | Demand | |
| A | 1 | 2 | 6 | 7 |
| B | 0 | 4 | 2 | 12 |
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| Supply | 10 | 10 | 10 |
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| A | 1 | 2 | 6 | 7 |
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| Supply | 10 | 10 | 10 |
Using Vogel’s approximation method
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| D | E | F | C | Available | |
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| Required | 200 | 225 | 275 | 250 |
Choose the correct alternative:
In a degenerate solution number of allocations is
The following table summarizes the supply, demand and cost information for four factors S1, S2, S3, S4 Shipping goods to three warehouses D1, D2, D3.
| D1 | D2 | D3 | Supply | |
| S1 | 2 | 7 | 14 | 5 |
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Determine an initial basic feasible solution to the following transportation problem by using north west corner rule
| Destination | Supply | ||||
| D1 | D2 | D3 | |||
| S1 | 9 | 8 | 5 | 25 | |
| Source | S2 | 6 | 8 | 4 | 35 |
| S3 | 7 | 6 | 9 | 40 | |
| Requirement | 30 | 25 | 45 | ||
