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Consumer & Producer Surplus · Question 23 of 70

Question 23

MediumOriginal question

The marginal revenue is MR=80−4xMR = 80 - 4x rupees. What is the total revenue from selling 10 units?

Options for question 23

Show the answer and explanation
CorrectNot quiteAnswer C

Correct answer: C

Explanation

  1. R(10)=∫010(80−4x) dx=[80x−2x2]010R(10) = \int_0^{10} (80 - 4x)\,dx = \left[80x - 2x^{2}\right]_0^{10}.

  2. =800−200=600= 800 - 200 = 600 rupees.

Worth noting

₹40 is the marginal revenue at 10 units, not the total.

Concept
The revenue from an output, from marginal revenue
Typical time
90 s
Your time
—
The rule this testsRevenue and demand from marginal revenue
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Ten questions from Consumer & Producer Surplus, at your own pace.

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