CBSE Class 10 Maths (Standard) 2025 · Paper 30(B) · Question 20
Read the Assertion (A) and Reason (R) carefully and choose the correct option.
Assertion (A): If the total surface area of a solid hemisphere is cm, then its radius is cm.
Reason (R): The total surface area of a solid hemisphere of radius is .
- (a)Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
- (b)Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
- (c)Assertion (A) is true, but Reason (R) is false.
- (d)Assertion (A) is false, but Reason (R) is true.
Answer
(a) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
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