Assertion (A): The market demand curve is obtained by adding individual demand curves horizontally.
Reason (R): At each price, market quantity demanded is the sum of individual quantities demanded.

Both A and R are true, and R is the correct explanation of A.Correct answerYour answerBoth A and R are true, but R is not the correct explanation of A.Correct answerYour answerA is true, but R is false.Correct answerYour answerA is false, but R is true.Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer A

Correct answer: A

Both are true.
Adding quantities at a given price means adding along the horizontal (quantity) axis, so R explains A.

Concept: Horizontal summation
Typical timeTypical: 70 s
Your timeYours: —

The rule this testsMarket demand

Practise this chapter →

Ten questions from Demand & Its Determinants, at your own pace.

Practise this chapter →

Ten questions from Demand & Its Determinants, at your own pace.

Practise this chapter All 66 questions in Demand & Its Determinants Revise the notes for Demand & Its Determinants

Assertion (A): The market demand curve is obtained by adding individual demand curves horizontally.Reason (R): At each price, market quantity demanded is the sum of individual quantities demanded.

Explanation

Assertion (A): The market demand curve is obtained by adding individual demand curves horizontally.
Reason (R): At each price, market quantity demanded is the sum of individual quantities demanded.