If the radius of the base of a cone is t...

If the radius of the base of a cone is tripled and the height is doubled then the volume is

made 6 times

made 18 times

made 12 times

unchanged

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If the radius of the base of a cone is doubled and the height is tripled then the volume is:

if the radius of the base of a right circular cylinder is doubled keeping the same height, then the ratio of the volume of the cylinder thus obtained to the volume of original cylinder is:

A toy is made in the form of hemisphere sumounted by a right cone whose circular base is joined with the plane surface of the hemisphere . The radius of the base of the cone is 7 cm and its volume is 3/2 of the hemisphere . Calculate the height of the cone and the surface area of the toy correct to 2 places of decimal (Take pi= 3 1/7 )

Sand is pouring from a pipe at the rate of 12c m^3//sdot The falling sand forms a cone on the ground in such a way that the height of the cone is always 1/6th of the radius of the base. How fast does the height of the sand cone increase when the height in 4 cm?

If the radius of the base of a right circular cylinder is halved keeping the same height, then the ratio of the volume of the cylinder thus obtained to the volume of original cylinder is

Sand is pouring from a pipe at the rate of 12 cm^(3) /s. The falling sand forms a cone on the ground in such a way that the height of the cone is always one-sixth of the radius of the base. How fast is the height of the sand cone increasing when the height is 4 cm?

If the radius of the cone is doubled, the new volume will be ………….. times the original volume.

The material of a cone is covered into the shape of a cylinder of equal radius. If the height of the cylinder is 5 cm. then height of the cone is ___.

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