The length of the radius of cross sectio...

The length of the radius of cross section of a solid right circular rod is 3.2 dcm. By melting the rod 21 solid spheres are made. If the radius of the sphere is 8cm, then find the length of the rod.

Topper's Solved these Questions

HATI HIGH SCHOOL
UNITED BOOK HOUSE|Exercise EXERCISE|55 Videos
HOOGHLY COLLIGIATE SCHOOL
UNITED BOOK HOUSE|Exercise EXERCISE|55 Videos

Similar Questions

Explore conceptually related problems

The length of radius of cross-section of a solid circular rod is 3.2 dcm. By melting the rod 21 solid sphere are made. If the radius of the sphere is 8 cm , then find the length of the rod.

The radius of cross - section of a right circular rod is 3.2 dcm . The rod is melted to make 21 solid spheres . If the rdius of each sphere be 8 cm , then what will be the length of the rod ?

The length of radius of base of a solid right circular cone is equal to the length of radius of a solid sphere . If the volume of the sphere is 2 times the volume of the cone , then find the ratio of the height and radius of base of the cone .

If a solid right circular rod of length 1 dcm is made by melting a solid silver - sphere of diameter 6 dcm, then find the radius of the rod.

The external radius of a hollow sphere made of lead sheet of 1 cm thickness in 6cm.. If melting the sphere, a solid circular rod of 2cm radius is made, then find the length of the rod.

If a sphere is made by melting a solid right circular cylinder of radus 2x cm and height x cm , then the radius of the sphere will be

The lengths of radii of a solid right crcular cone and a solid sphere are equal. If their - volumes be also equal, then find the ratio of the radius of the sphere and the height of the cone.

If the radii and volumes of a solid right circular cone and a solid sphere be equal, then what will be the ratio of the length of diameter of the sphere and the height of the cone ?

The total surface area of a solid hemisphere is 1848 sq. cm. A solid right circular cone is made by melting this hemisphere. If the radius of base of the cone is equal to the radius of the hemisphere , then what will be the height of the cone ?

The radius of base of a solid right circular iron - rod is 32 cm and the length of the rod is 35 cm . How many solid right circular cone of radius of base 8 cm and of height 28 cm can be made by melting this rod ?

UNITED BOOK HOUSE-HINDU SCHOOL -EXERCISE

If a alpha b and b alpha c then show that a^3b^3+b^3c^3+c^3a^3 alpha a...
Text Solution
|
What should be added to each of a,b,c,d to make the sums proportional?
Text Solution
|
If (x^2-yz)/a=(y^2-zx)/b=(z^2-xy)/c , show that (a+b+c)(x+y+z)=(ax+by...
Text Solution
|
Answer any One queation : Prove that, if a perpendicular is draw on t...
Text Solution
|
Prove that opposite angles of a cyclic quadrilateral are supplementary
Text Solution
|
The radius of a circle is 8 cm. Calculate the length of a tangent draw...
Text Solution
|
Two tangents AB and AC drawn from an external point A of a circle touc...
Text Solution
|
Draw a triangle whose two side are 7.6 cm and 6 cm in length and the a...
Text Solution
|
Geometrically find the value of sqrt(29).
Text Solution
|
Find the values of (2 tan^2 30^@)/(1-tan^2 30^@)+sec^2 45^@-cot^2 45^@...
Text Solution
|
If alpha+beta = 90^@, prove that sec^2 alpha+sec^2 beta = sec^2 alpha ...
Text Solution
|
If sec theta+tan theta = x, prove that sin theta= (x^2-1)/(x^2+1)
Text Solution
|
A man standing on a railway bridge 5sqrt3 meters high, observes the en...
Text Solution
|
Two towers are situated at a distance of 120sqrt2 metre and the height...
Text Solution
|
The length of the radius of cross section of a solid right circular ro...
Text Solution
|
Length of radius and height of a right circular draw are 21 cm and 21 ...
Text Solution
|
The length of two sides adjacent to right angle of a right angled tria...
Text Solution
|
Calculate the mean of obtained marks of 64 students from the given dat...
Text Solution
|
Find the median of the following data.
Text Solution
|
Calculate the mode of the following data.
Text Solution
|