CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

A tank with length, breadth and height of 5, 6 and 3 units respectively is open at the top. Find the cost of anti-microbial coating inside the tank if it is done at Rs. 10 per sq. units.


A

Rs. 1260

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

Rs. 1110

No worries! We‘ve got your back. Try BYJU‘S free classes today!
C

Rs. 1060

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

Rs. 960

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D

Rs. 960


So, there are five faces which need to be coated.

Surface area of tank = 2(lb + bh + lh) – lb

= 2 (5 × 6 + 6 × 3 + 3 × 5) – 30 sq. units

= 96 sq. units

So, cost of anti – microbial coating = Rs.10 × 96 sq. units

= Rs. 960


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Surface Area of Solids
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon