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Rate of Change, Marginal Cost & Revenue · Question 26 of 79

Question 26

MediumOriginal question

Each unit sells at p=50−xp = 50 - x rupees when xx units are sold, and making them costs C(x)=10x+200C(x) = 10x + 200 rupees. What is the profit on 15 units?

Options for question 26

Show the answer and explanation
CorrectNot quiteAnswer A

Correct answer: A

Explanation

  1. R(15)=15×35=525R(15) = 15 \times 35 = 525 and C(15)=150+200=350C(15) = 150 + 200 = 350.

  2. Profit =525−350=175= 525 - 350 = 175 rupees.

Worth noting

₹525 is the revenue alone.

Concept
Profit from a demand function
Typical time
90 s
Your time
—
The rule this testsCost, revenue and profit functions
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