Skip to content
Philoid
Browse Saved
Back to chapter
Maths
11. Mensuration
Home · Class 8 · Maths · Ref. Book · 11. Mensuration
Prev
Next
Q15 of 45 Page 11

A closed metallic cylindrical box is 1.25m high and it has a base whose radius is 35cm. If the sheet of metal costs Rs. 80 per m2. Find the cost of the material used in the box. Find the capacity of box in litres.

The area of metal used = total surface area of the box The cost of material used = The capacity of the box = volume of the box

More from this chapter

All 45 →
13 How many cubic metres of earth must be dug out to since a well is 16m deep and which has a radius of 3.5m? If the earth taken out is spread over a rectangular plot of dimensions what is the height of the platform so formed? 14 An iron pipe is 21cm long and its exterior diameter is 8cm. If the thickness of the pipe is 1cm and iron weighs 8g/cm3. Find the weight of the pipe. 16 A rectangular piece of paper of dimensions 22cm by 12cm. is rolled along its length to form a cylinder. Find the volume of the cylinder so formed. 17 PQRS is a quadrilateral in which PQ =4 cms, QR = 9.2 cms, RS = 8cm SP = 6cm ∠ PSR = ∠ PQR = 90° . Find its area.
Questions · 45
11. Mensuration
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Back to chapter
ADVERTISEMENT
About Contact Privacy Terms
Philoid · 2026
  • Home
  • Search
  • Browse
  • Quiz
  • Saved