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A pen stand made of wood is in the ...

A pen stand made of wood is in the shape of a cuboid with four conical depressions and a cubical depression to hold the pens and pins,

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`170.8 cm ^(3)`
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A pen stand made of wood is in the shape of a cuboid with four conical depressions to hold pens. The dimensions of the cuboid are 15 cm xx 10 cm xx3.5 cm .The radius of each of the depression is 0.5 cm and the depht is 1.4 cm .Find the volume of the wood in the entire stand correct to 2 decimal places.

A pen stand made of wood is in the shape of a cuboid with four conical depressions to hold pens.The dimensions of the cuboid are 15cm by 10cm by 3.5cm. The radius of each of the depressions is 0.5cm and the depth is 1.4cm. Find the volume of wood in the entire stand

Read the following text and answer the following questions on the basis of the same : A pen stand made of wood is in the shape of a cuboid with 4 conical depressions to hold pens. The dimensions of the cuboid are 15 cm by 10 cm by 3.5 cm. The radius of each of the depressions is 0.5 cm and the depth is 1.4 cm Find the diameter of each conical depression.

Read the following text and answer the following questions on the basis of the same : A pen stand made of wood is in the shape of a cuboid with 4 conical depressions to hold pens. The dimensions of the cuboid are 15 cm by 10 cm by 3.5 cm. The radius of each of the depressions is 0.5 cm and the depth is 1.4 cm Write the formula to find out volume of conical depression

Read the following text and answer the following questions on the basis of the same : A pen stand made of wood is in the shape of a cuboid with 4 conical depressions to hold pens. The dimensions of the cuboid are 15 cm by 10 cm by 3.5 cm. The radius of each of the depressions is 0.5 cm and the depth is 1.4 cm Find the volume of wood taken out to make four cavities.

Read the following text and answer the following questions on the basis of the same : A pen stand made of wood is in the shape of a cuboid with 4 conical depressions to hold pens. The dimensions of the cuboid are 15 cm by 10 cm by 3.5 cm. The radius of each of the depressions is 0.5 cm and the depth is 1.4 cm Find the volume of wood in the entire stand

Read the following text and answer the following questions on the basis of the same : A pen stand made of wood is in the shape of a cuboid with 4 conical depressions to hold pens. The dimensions of the cuboid are 15 cm by 10 cm by 3.5 cm. The radius of each of the depressions is 0.5 cm and the depth is 1.4 cm Find the volume of the cuboid

Mayank made a bird-bath for his garden in the shape of a cylinder with a hemispherical depr ession at one end . The height of the cylinder is 1.45 m and its radius is 30 cm. Find the surface area of hemi spherical depression.

Mayank made a bird-bath for his garden in the shape of a cylinder with a hemispherical depression at one end.The height of the cylinder is 1.45m and its radius is 30cm. Find the total surface area of the bird-bath.

Mayank made a bird-bath 30 cm for his garden in the shape of a cylinder with a hemispherical depression at one end (see figure). The height of the cylinder is 1.45 m and its radius is 30 cm. Find the total surface area of the bird-bath. (take pi = 22/7)

OSWAL PUBLICATION-SURFACE AREAS AND VOLUMES -NCERT EXEMPLAR (EXERCISE-13.4)
  1. A solid metallic hemisphere of radius 8 cm is melted and recasted int...

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  2. A rectangular water tank of base 11 m xx 6 m contains water up to a h...

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  3. How many cubic centimetres of iron are there in an open box whose e...

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  4. The barrel of a fountain pen, cylindrical in shape, is 7 cm long and 5...

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  5. Water flows at the rate of 10 m/min from a cylindrical pipe 5 mm in di...

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  6. A heap of rice is in the form of a cone of diameter 9 m and height 3....

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  7. A factory manufacture 120000 pencils daily. The pencils are cylindri...

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  8. Water is flowing at the rate of 15 km/hour through a pipe of diameter ...

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  9. A solid iron rectangular block of dimensions 4.4m, 2.6m and 1m is cast...

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  10. 500 persons have to dip in a rectangular tank which is 80 m long an...

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  11. Metal spheres, each of radius 2 cm, are packed into a rectangular b...

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  12. A milk container of height 16 cm is made of metal sheet in the form...

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  13. A cylindrical bucket, 32 cm high and with radius of base 18 cm, is ...

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  14. A rocket is in the form of a right circular cylinder closed at the lo...

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  15. A bulinding is in the form of a cylinder surmounted by a hemispheri...

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  16. A hemispherical bowl of internal radius 9 cm is full of liquid . The ...

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  17. A solid right circular cone of height 120 cm and radius 60 cm is place...

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  18. A water flows through a cylindrical pipe, whose inner radius is 1 cm...

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  19. The rain water from a roof af dimensions 22 m xx 20 m drains into ...

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  20. A pen stand made of wood is in the shape of a cuboid with four ...

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