Skip to content
We use only essential cookies to keep you signed in and remember your preferences. See our Cookie Policy.
TestStop
MocksPracticeResourcesIndiaBlogPricing
Sign in
Questions › IIT JAM › IIT JAM 2025 › Q47
1 markMicroeconomics › Monopoly and price discrimination › Third-degree price discriminationModerateabout 2 min

IIT JAM 2025 Question 47: Monopoly and price discrimination

A monopolist produces a product and sells to two types of buyers: A and B. The inverse demand functions for A and B are P=50−5QP=50-5QP=50−5Q and P=100−10QP=100-10QP=100−10Q, respectively. The monopolist's cost function is C=90+20QC=90+20QC=90+20Q. The profit maximizing output of the monopolist for buyer B is ________.

Answer and worked solution

Checking your account…

Plain-text version

A monopolist produces a product and sells to two types of buyers: A and B. The inverse demand functions for A and B are P=50-5Q and P=100-10Q, respectively. The monopolist's cost function is C=90+20Q. The profit maximizing output of the monopolist for buyer B is.

Monopoly and price discrimination has come up 128 times in 7 exams since 2004.

What this question tests

This question is on Third-degree price discrimination, part of Monopoly and price discrimination in Microeconomics.

Charging different groups different prices, and how elasticities decide which group pays more.

TestStop has 14 past-paper questions on this subtopic.

Take this paper as a timed mockMore on Third-degree price discrimination

Similar questions from other papers

  • CUET-PG 2026 · Q31Given below are two statements: Assertion A: Monopoly power is the ability to set price above marginal cost and that the amount by which price exceeds marginal cost…
  • GATE 2026 · Q43The inverse demand function for the first book on \"Economics of Digital Public Infrastructure in India\" is given by p=200-0.002Q; where, p is the price of the book…
  • IIT JAM 2026 · Q14A monopolist sells different units of output for different prices, but every individual who buys the same quantity of the good pays the same price. It is known as price…
  • UGC-NET 2026 · Q17If AR = 15 - Q, then the value of Marginal Revenue will be:
  • GATE 2025 · Q42The inverse demand function for a monopolist is given by P = 100 - kQ where P is the unit price of the good, Q is the quantity and k is a constant. The cost function…

Question from the IIT JAM 2025 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.