Question 2
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What is the volume of the cylinder?
I. Its radius is 7 cm.
II. Its height is 10 cm and its curved surface area is 440 cm².
- A Statement I alone is sufficient, but Statement II alone is not sufficient
- B Statement II alone is sufficient, but Statement I alone is not sufficient Correct
- C Each statement alone is sufficient
- D Both statements together are sufficient, but neither statement alone is sufficient
- E Statements I and II together are not sufficient
Correct Answer: Option B
I alone: height unknown. Not sufficient.
II: 2πr × 10 = 440 → r = 7 → V = 1,540 cm³. Sufficient.
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