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CBSE Class 10 Maths (Basic) 2023 · Paper 430/5/1 · Question 20

Surface Areas and Volumes 1 mark Medium

Assertion (A): The surface area of largest sphere that can be inscribed in a hollow cube of side 'a' cm is cm.

Reason (R): The surface area of a sphere of radius 'r' is .

  1. (a)Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
  2. (b)Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
  3. (c)Assertion (A) is true, but Reason (R) is false.
  4. (d)Assertion (A) is false, but Reason (R) is true.

Answer

(c) Assertion (A) is true, but Reason (R) is false.

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