मराठी

How many small cubes with edge of 20 cm each can be just accommodated in a cubical box of 2 m edge?

Advertisements
Advertisements

प्रश्न

How many small cubes with edge of 20 cm each can be just accommodated in a cubical box of 2 m edge?

पर्याय

  • 10

  • 100

  • 1000

  • 10000

MCQ
Advertisements

उत्तर

1000

Explanation:

Volume of cube = (Side)3

Volume of each small cube = 203 = 8000 cm3 = 0.008 m3

Now, volume of the cubical box = 23 = 8 m3

∴ Number of small cubes, that can just be accommodated in the cubical box

= `"Volume of cubical box"/"Volume of small cube"`

= `8/0.008`

= 1000

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 11: Mensuration - Exercise [पृष्ठ ३४७]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics Exemplar [English] Class 8
पाठ 11 Mensuration
Exercise | Q 13. | पृष्ठ ३४७

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

A river 3 m deep and 40 m wide is flowing at the rate of 2 km per hour. How much water will fall into the sea in a minute?


If V is the volume of a cuboid of dimensions a, b, c and S is its surface area, then prove that

`1/V=2/S(1/a+1/b+1)`


If the area of three adjacent faces of a cuboid are 8 `cm^2`, 18 `cm^3` and 25 `cm^3`. Find the
volume of the cuboid.


A metal cube of edge 12 cm is melted and formed into three smaller cubes. If the edges of the two smaller cubes are 6 cm and 8 cm, find the edge of the third smaller cube.


The dimensions of a cinema hall are 100 m, 50 m and 18 m. How many persons can sit in the hall, if each person requires 150 `m^3` of air?


How many cubic centimeters of iron are there in an open box whose external dimensions are 36 cm, 25 cm and I 6.5 cm, the iron being 1.5 cm thick throughout? If I cubic cm of iron weighs 15g, find the weight of the empty box in kg.


A rectangular container, whose base is a square of side 5 cm, stands on a horizontal table, and holds water up to 1 cm from the top. When a cube is placed in the water it is completely submerged, the water rises to the top and 2 cubic cm of water overflows. Calculate the volume of the cube and also the length of its edge.


A field is 200 m long and 150 m broad. There is a plot, 50 m long and 40 m broad, near thefield. The plot is dug 7 m deep and the earth taken out is spread evenly on the field. Byhow many meters is the level of the field raised? Give the answer to the second place of decimal.


Water in a rectangular reservoir having base 80 m by 60 m i s 6.5 m deep. In what time can the water be emptied by a pipe ôf which the cross-section is a square of side 20 cm, if the water runs through the pipe at the rate of 15 km/hr.


The length, breadth and depth of a pond are 20.5 m, 16 m and 8 m respectively. Find the capacity of the pond in litres


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×