Aptitude - Volume and Surface Area - Discussion
Discussion Forum : Volume and Surface Area - General Questions (Q.No. 12)
12.
A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. The thickness of the bottom is:
Answer: Option
Explanation:
Let the thickness of the bottom be x cm.
Then, [(330 - 10) x (260 - 10) x (110 - x)] = 8000 x 1000
320 x 250 x (110 - x) = 8000 x 1000
| (110 - x) = |
8000 x 1000 | = 100 |
| 320 x 250 |
x = 10 cm = 1 dm.
Discussion:
50 comments Page 5 of 5.
Tejaswini said:
1 decade ago
dm in the sense diameter 10cm = 1dm.
Jennier said:
8 years ago
How? I am not getting the solution.
Onkar said:
7 years ago
Why subtracting 10cm?
Why not 5?
Why not 5?
(2)
Rahul said:
1 decade ago
Why 8000 is multiplied by 1000?
Arshad said:
9 years ago
@Rani.
To convert it into cc.
To convert it into cc.
Shanaya said:
9 years ago
Thank you so much @Vani Varma.
Ashmita said:
8 years ago
Why we subtracted 10 here?
Shivani Agarwal said:
8 years ago
@Maruf Bd.
1 dm =10 cm.
1 dm =10 cm.
Naeem Naiyar said:
1 week ago
8000L.
1L = (10cm)^³.
1L = (10cm)^³.
Tejas said:
1 decade ago
What is 1 dm?
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