Mathematics
NULL
Medium
Question
The curved surface area of a cylindrical pillar is 264 m² and its volume is 924 m³. Find the ratio of its diameter to its height.
A
3 : 7
B
7 : 3
✓ Official correct answer
C
7 : 6
D
6 : 7
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A
3 : 7
No member explanations yet for this option.
B
7 : 3
No member explanations yet for this option.
C
7 : 6
No member explanations yet for this option.
D
6 : 7
No member explanations yet for this option.
Explanation
2πrh = 264 and πr²h = 924 ⇒ r = 7 m, h = 6 m. Diameter : height = 14 : 6 = 7 : 3.