Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 8 Answered

The dimensions of a cuboidal tin box are 30 cm x 40 cm x 50 cm. Find the cost of the tin required for making 20 such tin boxes if the cost of tin sheet is Rs 25 per square meter.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

Therefore, Surface area of 20 such tins = 20 x 9400

= 188000 cm2

Hence, cost of 18.8 m2 tin sheet = Rs(18.8 x 25) = Rs 470.

Answered by | 04 Jun, 2014, 03:23: PM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 8 - Maths
surface area of cube
Asked by mitalidas10.md | 30 Nov, 2023, 07:04: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
The walls and ceiling of a room are to be plastered with cement.if the length, breath and height of the room are respectively 4.5m,3m and 3.5m, find the area to be plastered.
Asked by amanamrit025 | 08 Oct, 2022, 05:43: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
if side of cube is 9.5 cm.then find total surface area
question image
Asked by gurpreet05132 | 07 Jan, 2021, 01:36: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
A cuboidal tin box opened at top has dimension 20^16^14cm. What is the total area of metal sheet required to make 10 such boxes  
Asked by arnavrath11 | 24 Jan, 2020, 10:42: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
how to find side when surface area is given?
Asked by Savithrisavithri0145 | 04 Jan, 2020, 07:18: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
The whole surface area of cuboid is 214 cm^2  , volume is 210 cm^3 , and the area of base is 42 cm^2 ..find its edges ?      Ans - 7cm , 6cm , 5cm
Asked by Mohdayaz9921 | 02 Feb, 2019, 08:22: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
The breadth, length and height of a solid wood is in the ratio 3 5 8. By what part should the lenth and height be cut off to make a cube
Asked by Nimmi | 23 Jan, 2019, 11:52: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
Four cubes of edge 5 cm each are placed side by side and stuck together . If the outer surface alone is painted at Rs 300 per meter square , find the cost of painting
Asked by deepikankur | 17 Mar, 2018, 06:55: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
Find the total surface area of following cuboid.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
Find the surface area of cubes with edge (i) 5 cm (ii) 2.9 cm.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×