Aptitude - Volume and Surface Area - Discussion
Discussion Forum : Volume and Surface Area - General Questions (Q.No. 3)
3.
A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is:
Answer: Option
Explanation:
2(15 + 12) x h = 2(15 x 12)
 h = |
180 | m = | 20 | m. |
| 27 | 3 |
 Volume = |
 |
15 x 12 x | 20 |  m3 |
= 1200 m3. |
| 3 |
Video Explanation: https://youtu.be/V8EQ1YIaH74
Discussion:
75 comments Page 4 of 8.
Ankur said:
8 years ago
Thank you for explaining the answer in well and suitable form @Lokesh.
Yogarajan said:
1 decade ago
Hello, can any one clearly explain the basics of the concept please ?
Surajbhan Singh said:
5 years ago
2*(l*h)+ 2*(b*h)= 2*(l*b).
4 walls area = floor area + ceiling area.
4 walls area = floor area + ceiling area.
(7)
Anju bs said:
1 decade ago
Yes it is right because it is the curved surface area of the cuboid.
Twinkle said:
9 years ago
Please tell me the formula of finding the area of the ceiling.
Anju b s said:
1 decade ago
It is right because it is the curved surface area of cuboid.
Vissu said:
9 years ago
Please anyone explain each and every step of the solution.
Afework said:
6 months ago
No the answer is 600
How can we get hight is 27
Is 3.33
How can we get hight is 27
Is 3.33
Swati said:
10 years ago
Please explain the question clearly. I don't understand.
Subash said:
4 years ago
I am not getting this, Anyone help me to get it out.
(1)
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