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From the given… (Class 12 Economics SQP 2024-25, Q5a)

questionbuddy.in/q/cbse-12-economics-2024-25-sqp-q5a-diagrams-identify-indicates-reference-line

EconomicsCBSE Class 12 · Sample paper, session 2024-25 · 1 mark · MCQ

CBSE Class 12 Economics sample paper 2024-25: question 5(a)

From the official CBSE sample question paper for 2024-25, section A, question 5(a), for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q5(a) · 1 mark · MCQCompetency-basedDetermination of Income and Employment

From the given diagrams, identify the correct option that indicates the ‘Reference Line’ passing through the origin drawn at a particular angle.

  1. (A)(i)
  2. (B)(ii)
  3. (C)(iii)
  4. (D)(iv)

Figure in the paper: Four graphs (i)-(iv), each with Income on x-axis and Aggregate Expenditure on y-axis, showing a straight line from the origin at angles: (i) 45°, (ii) 60°, (iii) 75°, (iv) 30°. See it in the official paper.

Source: official sample paper from cbseacademic.nic.in (PDF). See it in the full Sample paper 2024-25.

Hints

Open one hint at a time and try again before the next.

Hint 1

On which line are both axes equal?

Hint 2

tan 45° = 1.

Step-by-step solution

Each step shows the marks it earns, as an examiner would award them. Checked by an independent re-solve from the question paper.

  1. The reference line in Keynesian analysis is the 45° line from the origin: every point on it has equal values on both axes (AE = Y).

  2. Diagram (i) shows the line at 45°. Option (A).

    1 mark

Answer: (A) (i)

Where the marks are

  • Reference line = 45° line (1 mark)

Revise the chapter

Practise this chapterBoard-style questions from Determination of Income and Employment, one at a time, marked against the answer key and marking points.Back to the full paperSample paper 2024-25: every question, by section.

The question is transcribed from the official paper; figures are described in words. The solution, hints and chapter tag are ours. Spotted an error? Write tosupport@questionbuddy.in.