Advertisements
Advertisements
प्रश्न
A cylindrical pencil sharpened at one end is a combination of
विकल्प
a cylinder and a cone
a cylinder and frustum of a cone
a cylinder and a hemisphere
two cylinders
उत्तर
a cylinder and a cone
A cylindrical pencil sharpened at one end is a combination of a cylinder and a cone.
APPEARS IN
संबंधित प्रश्न
A rectangular sheet of paper 40 cm × 22 cm, is rolled to form a hollow cylinder of height 40 cm. The radius of the cylinder (in cm) is ______.
A hemispherical bowl of internal radius 9 cm is full of water. Its contents are emptied in a cylindrical vessel of internal radius 6 cm. Find the height of water in the cylindrical vessel.
A metallic sphere of radius 10.5 cm is melted and thus recast into small cones, each of radius 3.5 cm and height 3 cm. Find how many cones are obtained.
Lead spheres of diameter 6 cm are dropped into a cylindrical beaker containing some water and are fully submerged. If the diameter of the beaker is 18 cm and water rises by 40 cm. find the number of lead spheres dropped in the water.
A right angled triangle with sides 3 cm and 4 cm is revolved around its hypotenuse. Find the volume of the double cone thus generated.
The curved surface area of a sphere is 5544 cm2. Find its volume.
The surface areas of two spheres are in the ratio of 4 : 25. Find the ratio of their volumes.
The length of the longest pole that can be kept in a room (12 m × 9 m ×8 m) is
The slant height of a bucket is 26 cm. The diameter of upper and lower circular ends are 36 cm and 16 cm. then height of bucket is ______.
The radii of the top and bottom of a bucket of slant height 45 cm are 28 cm and 7 cm, respectively. The curved surface area of the bucket is ______.