Aptitude - Volume and Surface Area - Discussion
Discussion Forum : Volume and Surface Area - General Questions (Q.No. 11)
11.
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.
Answer: Option
Explanation:
 r2h |
= | 924 |  r = |
 |
924 | x 2 |  |
= 7 m. |
| 2rh |
264 | 264 |
| And, 2rh = 264 h = |
|
264 x | 7 | x | 1 | x | 1 | |
= 6m. |
| 22 | 2 | 7 |
 Required ratio = |
2r | = | 14 | = 7 : 3. |
| h | 6 |
Discussion:
23 comments Page 1 of 3.
James said:
11 months ago
Thanks all for explaining.
(2)
Vivek said:
3 years ago
Why volume is in the numerator? Please explain.
Guru said:
5 years ago
Thank you all.
DINESH said:
6 years ago
Why not take 264/924?
Means surface area/volume. Please explain.
Means surface area/volume. Please explain.
Hifi said:
7 years ago
Thanks for explaning the answer.
Sathish said:
8 years ago
Why 2r/h comes for ratio? Please explain the step.
(2)
Anushka said:
8 years ago
I didn't understand. Help me please.
Ruhi said:
8 years ago
How did you find h? Please explain.
Atush said:
8 years ago
Thanks.
Rabia araf said:
8 years ago
Thanks.
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