Advertisements
Advertisements
Question
Find the number of bricks of dimension 20 cm × 5 cm × 10 cm required to construct a wall of dimension 300 cm × 200 cm × 20 cm
Advertisements
Solution
Number of bricks = `"Dimension of wall"/"Dimension of brick"`
= `(300 xx 200 xx 20)/(20 xx 5 xx 10)`
= 1200 bricks
APPEARS IN
RELATED QUESTIONS
Find the volume of a cube whose side is 21 cm
A cubical milk tank can hold 125000 litres of milk. Find the length of its side in metres
The capacity of a water tank of dimensions 10 m × 5 m × 1.5 m is
Ganesh and Dinga want to pack 4000-centimeter cubes inboxes. These are to be sent to a school. There are three different boxes available for packing.
Use Ganesh's method and write:
- _____ centimeter cubes can be arranged in box B.
- _____ centimeter cubes can be arranged in box C.
- So _____ centimeter cubes in all can be packed in the three boxes.
Three cubes of metal whose edges are 6 cm, 8 cm and 10 cm respectively are melted to form a single cube. The edge of the new cube is ______.
A cube of side 4 cm is painted on all its sides. If it is sliced in 1 cubic cm cubes, then number of such cubes that will have exactly two of their faces painted is ______.
If a cube fits exactly in a cylinder with height h, then the volume of the cube is ______ and surface area of the cube is ______.
How many cubes each of side 0.5 cm are required to build a cube of volume 8 cm3?
A wooden box (including the lid) has external dimensions 40 cm by 34 cm by 30 cm. If the wood is 1 cm thick, how many cm3 of wood is used in it?
What will happen to the volume of the cube, if its edge is tripled?
