A solid sphere of radius 15 cm is melted...

A solid sphere of radius 15 cm is melted and recast into solid right circular cones of radius 2.5 cm and height 8 cm. Calculate the number of cones recast.

Text Solution

Verified by Experts

The correct Answer is:

270

Topper's Solved these Questions

MATHEMATICS-2013
ICSE|Exercise SECTION- B|25 Videos
MATHEMATICS-2012
ICSE|Exercise SECTION-B|28 Videos
MATHEMATICS-2018
ICSE|Exercise SECTION- B|30 Videos

Similar Questions

Explore conceptually related problems

The total area of a solid metallic sphere is 1256 cm^(2). It is melted and recast into solid right circular cones of radius 2.5 cm and height 8 cm. Calculate : the number of cones recast.

The surface area of a solid metallic sphere is 2464 cm^(2). It is melted and recast into solid right circular cones of radius 3.5 cm and height 7 cm. Calculate : the number of cones recast. (Take pi = (22)/(7))

A metallic sphere of radius 10.5 cm is melted and recast into small right circular cones, each of base radius 3.5 cm and height 3 cm. The number of cones so formed is (a) 105 (b) 113 (c) 126 (d) 135

The total area of a solid metallic sphere is 1256 cm^(2). It is melted and recast into solid right circular cones of radius 2.5 cm and height 8 cm. Calculate : the radius of the solid sphere, and the no. of cones cast (π=3.14).

The surface area of a solid metallic sphere is 1 0256 cm^(2). It is melted and recast into solid right circular cones each of radius 2.5 cm and height 8 cm. Find the number of cones formed [Take pi = 3.14 ].

The surface area of a solid metallic sphere is 2464 cm^(2). It is melted and recast into solid right circular cones of radius 3.5 cm and height 7 cm. Calculate : the radius of the sphere and the number of cones recast.

The suface area of a solid metallic sphere is 2464 cm^(2) . It is melted and recast into solid right circular cones of radius 3.5 cm and height 7 cm. Calculate : (i) the radius of the sphere.

A solid sphere of radius 10.5 cm is melted and recast into smaller solid cones, each of radius 3.5cm and height 3cm. Find the number of cones so formed. (U s epi=(22)/7)

ICSE-MATHEMATICS-2013-SECTION- B

Show that, sqrt((1-"cos"A)/(1+"cos"A))=("sin"A)/(1+"cos"A)
Text Solution
|
In the given circle with centre O, angleABC=100^(@),angleACD=40^(@) an...
Text Solution
|
Given below are the entries in a Saving Bank A/c pass book : Cal...
Text Solution
|
In DeltaABC, A (3, 5), B (7, 8) and C(1, -10). Find the equation of th...
Text Solution
|
A shopkeeper sells an article at the listed price of Rs 1,500 and the ...
Text Solution
|
In the igure given, from the top of a building AB = 60 m high, the ang...
Text Solution
|
In the figure given, from the top of a building AB = 60 m high, the an...
Text Solution
|
Find x and y, if : [{:(,x,3x),(,y,4y):}] [{:(,2),(,1):}]=[{:(,5),(,12)...
Text Solution
|
A solid sphere of radius 15 cm is melted and recast into solid right c...
Text Solution
|
Find the value of 'p'. If the following quadratic equations have equal...
Text Solution
|
In the figure alongside, OAB is a quadrant of a circle. The radius OA ...
Text Solution
|
A box contains some black balls and 30 white balls. If the probability...
Text Solution
|
Find the mean of the following distribution by step deviation method :
Text Solution
|
Using a rular and compass only : (i) Construct a triangle ABC with t...
Text Solution
|
The marks obtained by 120 styudents in a test are given below : D...
Text Solution
|
The marks obtained by 120 styudents in a test are given below : D...
Text Solution
|
The marks obtained by 120 styudents in a test are given below : D...
Text Solution
|
In the figure given below , the line segment AB meets X-axis at A and ...
Text Solution
|
Using the properties of proportion, solve for x, given (x^(4)+1)/(2x...
Text Solution
|
A shopkeeper purchase a certain number of books for Rs 960. If the cos...
Text Solution
|