English

A Cylindrical Pencil Sharpened at One End is a Combination of - Mathematics

Advertisements
Advertisements

Question

cylindrical pencil sharpened at one end is a combination of

Options

  • a cylinder and a cone

  • a cylinder and frustum of a cone

  • a cylinder and a hemisphere

  • two cylinders

MCQ
Sum

Solution

a cylinder and a cone

A cylindrical pencil sharpened at one end is a combination of a cylinder and a cone.

shaalaa.com
  Is there an error in this question or solution?
Chapter 19: Volume and Surface Area of Solids - Multiple Choice Questions [Page 917]

APPEARS IN

RS Aggarwal Mathematics [English] Class 10
Chapter 19 Volume and Surface Area of Solids
Multiple Choice Questions | Q 1 | Page 917

RELATED QUESTIONS

A cistern, internally measuring 150 cm × 120 cm × 110 cm, has 129600 cm3 of water in it. Porous bricks are placed in the water until the cistern is full to the brim. Each brick absorbs one-seventeenth of its own volume of water. How many bricks can be put in without overflowing the water, each brick being 22.5 cm × 7.5 cm × 6.5 cm?


A vessel is a hollow cylinder fitted with a hemispherical bottom of the same base. The depth of the cylinder is `14/3`  m and the diameter of hemisphere is 3.5 m. Calculate the volume and the internal surface area of the solid.


Two spheres of same metal weigh 1 kg and 7 kg. The radius of the smaller sphere is 3 cm. The two spheres are melted to form a single big sphere. Find the diameter of the new sphere ?


A girl empties a cylindrical bucket, full of sand, of base radius 18 cm and height 32 cm, on the floor to form a conical heap of sand. If the height of this conical heap is 24 cm, then find its slant height correct upto one place of decimal?


A spherical shell of lead, whose external diameter is 18 cm, is melted and recast into a right circular cylinder, whose height is 8 cm and diameter 12 cm. Determine the internal diameter of the shell.


A toy is in the form of a cone mounted on a hemisphere of common base radius 7 cm. The total height of the toy is 31 cm. Find the total surface area of the toy.


The diameter of a sphere is 42 cm. It is melted and drawn into a cylindrical wire of diameter 2.8 cm. Find the length of the wire.


The radius (in cm) of the largest right circular cone that can be cut out from a cube of edge 4.2 cm is ______.


A factory manufactures 120000 pencils daily. The pencils are cylindrical in shape each of length 25 cm and circumference of base as 1.5 cm. Determine the cost of colouring the curved surfaces of the pencils manufactured in one day at Rs 0.05 per dm2.


The capacity of a closed cylindrical vessel of height 1 m is 15.4 L. How many square metres of metal sheet would be needed to make it?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×