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Questions › UGC-NET › UGC-NET 2026 › Q75
2 marksMicroeconomics › Costs of production › Deriving cost functions and cost curvesModerateabout 2 min

UGC-NET 2026 Question 75: Costs of production

If TC=Q3−12Q2+60QTC = Q^3 - 12Q^2 + 60QTC=Q3−12Q2+60Q, then what will be the quantity, where AC and MC are equal?

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If TC = Q³ - 12Q² + 60Q, then what will be the quantity, where AC and MC are equal? (A) 4 (B) 6 (C) 8 (D) 10

Also written as: If TC = Q^3 - 12Q^2 + 60Q, then what will be the quantity, where AC and MC are equal?

Costs of production has come up 83 times in 7 exams since 2006.

What this question tests

This question is on Deriving cost functions and cost curves, part of Costs of production in Microeconomics.

Working out cost curves from a cost function, a production function or a marginal cost schedule.

TestStop has 20 past-paper questions on this subtopic; the nearest in year are below.

  • GATE 2023 · Q59Consider the following short-run cost function: C(q) = 10q³-80q²+300q+50 At the minimum average variable…
  • IIT JAM 2022 · Q30The short-run production function is Q = 200 + 0.2L² - 0.0004L³. If the wage rate is Rs. 140 and labour L =…
  • IIT JAM 2022 · Q45The Total Variable Cost is TVC = x³ - bx² and the Total Fixed Cost is 848. The value of b for which Marginal…
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Question from the UGC-NET 2026 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.