Question

3. Find the side of a cube whose total surface area is 3750 m
orphaunting its outer surface at 12 per m.
avea painted by him, if he did not paint the bottom of the box
16. The adjoining figure shows two boxes. Which box requires more
The length bread
+91.99 . m .
eigt.ola rectangular box are 30 m,25 Lam 18 m respectively. Find the cost
A hall is 150 m lbJust now. If its height is 6 m, find the cost of whitewashing its four walls and
roof at the rate of 20 per m². Also find the cost of polishing its floor at the rate of 40 per ma
2.
Harshit painted the outer surface of a cuboidal box of dimensions 8 mx 7.5m x 6m. Find the surface
material to make?
50 cm
6. A closed cylindrical tank of height 8 m and radius 35 m is to be made
DOCT
from a metal sheet. Find the cost of the metal sheet required at the rate room
og om
of 130 per m2
7. What is the difference between the two boxes shown in the adjoining
figure? Is the lateral surface area of both same?
A chocolate box has dimensions 50 cm x 35 cm x 10 cm. If 60 such boxes
of chocolate are to be covered by wrapper, how many square metres of
wrapping material will be required? (Assume that there is no wastage gem
of material.]
9. The inner diameter of a circular well is 3.5m. The depth of the well is 15 m. Find the cost of plastering
the inner curved surface at the rate of 25 per m.
10. A road roller takes 900 complete reynlutinn
10.
cm​

Answer 1

Answer:

abe pura book ka question dal Diya hai,

khud se bana...!

Answer 2

Answer:

you can find your answers only one by one pls don't post all questions together