CTET PAPER I 2021 · PYQ · Pedagogy / Question Types · medium
Following are some questions posed by the teacher in the mathematics classroom: A. What is the area of the rectangle whose one side is 5 cm and perimeter is 30 cm? B. Find a set of numbers whose median is 4. C. List all prime numbers between 0-8. D. Tell me anything mathematical information you know about rectangles.
A.A & B are closed ended questions and C & D are open ended questions.
B.A, B & C are closed ended and D is open ended question.
C.A is closed ended and B, C & D are open ended questions.
D.A & C are closed ended and B & D are open ended questions.✓ Correct
Explanation
Closed-ended questions have a single correct answer: A asks for a specific area (50 cm²) and C asks for the specific prime numbers between 0-8 (2, 3, 5, 7). Open-ended questions allow multiple valid responses: B asks for any set of numbers with median 4 (infinite possibilities) and D invites any mathematical observation about rectangles. Therefore A and C are closed-ended, while B and D are open-ended.
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