How many solid spherical balls of radius...

How many solid spherical balls of radius 2cm can be made by melting a solid sphere of 8cm?

A

4

B

16

C

32

D

64

Text Solution

Verified by Experts

The correct Answer is:

D

Topper's Solved these Questions

RACE
ALLEN |Exercise Basic Maths (VECTORS)|62 Videos
RACE
ALLEN |Exercise Basic Maths (Units, Dimensions & Measurements)|37 Videos
RACE
ALLEN |Exercise Basic Maths (Graphs))|28 Videos
NEWTONS LAWS OF MOTION
ALLEN |Exercise EXERCISE-III|28 Videos
SIMPLE HARMONIC MOTION
ALLEN |Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

How many spherical lead shots each of diameter 4.2 cm can be obtained by melting a cuboidal lead plece with dimensions 66 cmxx42 cmxx21 cm .

How many spherical balls can be made out of a solid cube of lead whose edge measures 44 cm and each ball being 4 cm in diameter.

Eight solid spheres of the same size are made by melting a solid metallic cylinder of diameter 6 cm and height 32 cm. Then, the diameter of each sphere is ......... cm.

Twenty-seven solid iron spheres, each of radius r and surface area S are melted to form a sphere with surface area S'. Find the (i) radius r' of the new sphere, (ii) ratio of S and S'.

A solid metallic sphere of radius 5.6 cm is melted and solid cones of radius 2.8 cm and height 3.2 cm are made. Find the number of such cones formed.

A solid sphere has a radius of 2 cm and a mas of 0.05 kg. What is the relative density of the sphere ? (AS_(1))

Two metallic spheres of radii 9 cm and 10 cm are melted and recast to make two new spheres. If the radius of one of the new spheres is 12 cm, the radius of the other new sphere is ......... cm.

Find the volume of sphere of radius 6.3 cm

A metallic sphere of radius 4.2 cm is melted and recast into the shape of a cylinder of radius 6 cm. find the height of the cylinder.

ALLEN -RACE-Basic Maths (Co-ordinate & Algebra)

If yx^(2/3)="constant" when x=x1, then y=300, then find y when x=(...
Text Solution
|
Given (x)/(y)=(5)/(6) now x is reduced by 62 and the ratio of x and ...
Text Solution
|
Given, P prop T on increasing the value of T by 1^(@)C, the value of ...
Text Solution
|
If x^(3)=9x, then find all possible values of x :-
Text Solution
|
A river 3m deep and 40m wide is flowing at the rate of 2 km/hr. How mu...
Text Solution
|
A room is 12m long, 4m wide and 3m high, what will be the longest bar ...
Text Solution
|
root(3)(8^(2)) is equal to :-
Text Solution
|
root(5)(16)xxroot(5)(2) is equal t :-
Text Solution
|
If x=sqrt(2)-1 then find the value of ((1)/(x)-x)^(3):-
Text Solution
|
If m and n are the two natural number such that m^(n)=25, then find th...
Text Solution
|
If m and n are the two natural number such that m^(n)=9, then find the...
Text Solution
|
2sqrt(6)xx3sqrt(54)= :-
Text Solution
|
For shown situation find angleBCA :-
Text Solution
|
A cube of 2cm edge is cut off into 8 cubes of 1cm edge. What is teir t...
Text Solution
|
How many solid spherical balls of radius 2cm can be made by melting a ...
Text Solution
|
A function has the form f(x)=ax+b, where a and b are constants. If f(2...
Text Solution
|
Use the approximate (1+x)^(n)~~1+nx|x|ltlt1, to find approximate value...
Text Solution
|
The unit of length convenient on the atomic scale is known a an angstr...
Text Solution
|
What is the minimum possible perimeter for a rectangle whose area is 4...
Text Solution
|
In the following graph, relation between two variables x and y is show...
Text Solution
|