Aptitude - Area - Discussion
Discussion Forum : Area - General Questions (Q.No. 15)
15.
A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per sq. m, is:
Answer: Option
Explanation:
Area to be plastered | = [2(l + b) x h] + (l x b) |
= {[2(25 + 12) x 6] + (25 x 12)} m2 | |
= (444 + 300) m2 | |
= 744 m2. |
![]() |
![]() |
744 x | 75 | ![]() |
= Rs. 558. |
100 |
Discussion:
24 comments Page 3 of 3.
Naimulsamad said:
9 years ago
Thanks to all. Now it's easy to understand.
Akbn said:
9 years ago
Yes, 558 is the correct answer.
Mahesh said:
2 decades ago
Why (l x b) is there again?
Koks said:
6 years ago
How come 75/100?
(1)
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers