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Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

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12 questions

SA-DM-TP-G011 markL1 FoundationNon-calculatorNorth-west corner
A problem has 2 supply points and 3 demand points. How many occupied cells must a non-degenerate solution have?

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Salam Academy Original Practice · Proposed mark scheme
SA-DM-TP-Q011 markL1 FoundationNon-calculatorImproving
A transportation solution is optimal when
Choose one option

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Salam Academy Original Practice · Proposed mark scheme
SA-DM-TP-0012 marksL2 StandardNon-calculatorNorth-west corner
Supplies A30A30, B20B20; demands X10X10, Y25Y25, Z15Z15. Unit costs: AA: X4X4, Y6Y6, Z8Z8; BB: X5X5, Y3Y3, Z7Z7. Find the cost of the north-west corner solution.

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Salam Academy Original Practice · Proposed mark scheme
SA-DM-TP-0022 marksL2 StandardNon-calculatorImproving
With RA=0R_A=0, find the shadow cost KZK_Z.

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Salam Academy Original Practice · Proposed mark scheme
SA-DM-TP-0031 markL2 StandardNon-calculatorImproving
Find the improvement index for cell AZAZ.

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Salam Academy Original Practice · Proposed mark scheme
SA-DM-TP-X012 marksL2 StandardNon-calculatorNorth-west corner
Supplies A20A20, B30B30; demands X15X15, Y15Y15, Z20Z20. Costs AA: X2X2, Y4Y4, Z5Z5; BB: X3X3, Y1Y1, Z6Z6. Find the cost of the north-west corner solution.

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Salam Academy Original Practice · Proposed mark scheme
SA-DM-TP-X021 markL2 StandardNon-calculatorImproving
With RA=0R_A=0, find RBR_B.

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Salam Academy Original Practice · Proposed mark scheme
SA-DM-TP-X031 markL2 StandardNon-calculatorImproving
Find the shadow cost KZK_Z.

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Salam Academy Original Practice · Proposed mark scheme
SA-DM-TP-X041 markL2 StandardNon-calculatorImproving
Find the improvement index for cell AZAZ.

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Salam Academy Original Practice · Proposed mark scheme
SA-DM-TP-X051 markL2 StandardNon-calculatorImproving
Entering AZAZ with loop AZ+AZ+, BZ−BZ-, BY+BY+, AY−AY-, find θ\theta.

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Salam Academy Original Practice · Proposed mark scheme
SA-DM-TP-0043 marksL3 ExamNon-calculatorImproving
Carry out one stepping-stone iteration entering AZAZ. Find the new total cost.

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Salam Academy Original Practice · Proposed mark scheme
SA-DM-TP-X062 marksL3 ExamNon-calculatorImproving
Find the new total cost after this iteration.

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Salam Academy Original Practice · Proposed mark scheme