When Jaya divided surface area of a sphere by the sphere’s volume, she got the answer as $\dfrac{1}{18}$ cm. What is the radius of the sphere?
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What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm? |
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A right triangle with sides 3 cm, 4 cm and 5 cm is rotated the side of 3 cm to form a cone. The volume of the cone so formed is: |
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A large cube is formed from the material obtained by melting three smaller cubes of 3, 4 and 5 cm side. What is the ratio of the total surface areas of the smaller cubes and the large cube? |
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66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be: |
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Find the length of the longest pole that can be placed in a room 12m long 8m broad and 9m high. |
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Find the volume and surface area of a cuboid 16 m long, 14 m broad and 7 m hight. |
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Given a cylinder with the radius 5cm and height 8cm. Find the volume of this cylinder. Take π as 3.14. |
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The perimeter of one face of a cube is 20 cm. Its volume will be: |
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A spherical ball has a surface area of $\dfrac{792}{7}$sq. m. Find its volume. |
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When Jaya divided surface area of a sphere by the sphere’s volume, she got the answer as $\dfrac{1}{18}$ cm. What is the radius of the sphere? |
Answer |