A conical metallic solid is melted to form some cylindrical rods. The ratio of the radius of the conical solid to that of the cylindrical rod is 4:1, while the ratio of the height of the conical solid to that of the cylindrical rod is 3: 2.

How many cylindrical rods are formed?

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
8

Suggest Corrections

Similar questions

Twenty-seven spherical solid metallic balls are melted to form some cylindrical rods. The radii of the rods are the same as those of the spherical balls.

If the height of a rod is twice its radius, then how many cylindrical metallic rods can be made from the spherical balls?

A conical and a hemispherical solid of the same height and radius are to be attached at both ends of a solid cylindrical metallic block whose radius is the same as that of the other solids. The height of the new solid so formed is ³/₂ times the height of the cylindrical block. is the radius of the hemisphere.

What is the difference between the total surface areas of the new solid and the cylindrical block?

Q. If a solid cylindrical vessel of base radius 5 cm and height 10 cm be melted into a solid conical vessel of the same base and height, then the number of such cones is

A cylindrical rod of height 10 m and radius 7m is melted into 7 identical cylindrical pistons of radius 14m and height $\frac{5}{14}$ m.

Decide whether or not the following assertions are correct:

(1) The volume of the cylindrical rod is equal to the sum of the volume of all 7 pistons.

(2) The total surface area of the cylindrical rod is equal to the sum of total surface area of the cylindrical piston.

A meter long metal rod (cylindrical is shape) of radius 3.5 cm is melted and recast to form cones of radius 1 cm and height 2.1 cm. Find the number of cones so formed.

Join BYJU'S Learning Program

A conical metallic solid is melted to form some cylindrical rods. The ratio of the radius of the conical solid to that of the cylindrical rod is 4:1, while the ratio of the height of the conical solid to that of the cylindrical rod is 3: 2. How many cylindrical rods are formed?

The correct option is C 8

A conical metallic solid is melted to form some cylindrical rods. The ratio of the radius of the conical solid to that of the cylindrical rod is 4:1, while the ratio of the height of the conical solid to that of the cylindrical rod is 3: 2.

How many cylindrical rods are formed?

The correct option is C
8