Sphere radius scaled: change in surface area or volume

This type of question, asked 3 times: 16 Sep 2025 S1, 22 Sep 2025 S1, 22 Sep 2025 S3. All 3 questions below, oldest first.

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Question 1
16 Sep 2025 S1
64 $If the radius of a sphere is increased to twice its original size, what is the ratio of the new surface area to the original surface area, as well as the proportion of the new volume to the original volume?$
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Question 2
22 Sep 2025 S1
54 $10\%$
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Question 3
22 Sep 2025 S3
54 $144\pi \text{ cm}^3$
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