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Recent questions tagged Volume and surface area
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votes
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answers
A closed iron tank 12 m long 9 m wide and 4 m deep is to be made . Determine the cost of iron sheet used at the rate of rs 5 per meter , sheet being 2 m wide.
asked
Jan 25
in
Class IX Maths
by
Aryan Rajput
(
15
points)
volume and surface area
+1
vote
2
answers
A right triangle with sides 6 cm, 8 cm and 10 cm is revolved about the side 8 cm.
asked
Feb 2, 2018
in
Class IX Maths
by
navnit40
(
-2,750
points)
volume and surface area
+1
vote
1
answer
A shopkeeper has one spherical laddoo of radius 5 cm. With the same amount of material, how many laddoos of radius 2.5 cm can be made?
asked
Feb 2, 2018
in
Class IX Maths
by
navnit40
(
-2,750
points)
volume and surface area
+1
vote
2
answers
A small village, having a population of 5000, requires 75 L of water per head per day.
asked
Feb 2, 2018
in
Class IX Maths
by
navnit40
(
-2,750
points)
volume and surface area
+1
vote
2
answers
A cylindrical roller 2.5 m in length, 1.75 m in radius when rolled on a road was found to cover the area of 5500 m2.
asked
Feb 2, 2018
in
Class IX Maths
by
navnit40
(
-2,750
points)
volume and surface area
+1
vote
1
answer
A school provides milk to the students daily in a cylindrical glasses of diameter 7 cm.
asked
Feb 2, 2018
in
Class IX Maths
by
navnit40
(
-2,750
points)
volume and surface area
+1
vote
1
answer
Two solid spheres made of the same metal have weights 5920 g and 740 g, respectively.
asked
Feb 2, 2018
in
Class IX Maths
by
navnit40
(
-2,750
points)
volume and surface area
+1
vote
2
answers
How many square metres of canvas is required for a conical tent whose height is 3.5 m and the radius of the base is 12 m?
asked
Feb 2, 2018
in
Class IX Maths
by
navnit40
(
-2,750
points)
volume and surface area
+1
vote
2
answers
Find the amount of water displaced by a solid spherical ball of diameter 4.2 cm, when it is completely immersed in water.
asked
Feb 2, 2018
in
Class IX Maths
by
navnit40
(
-2,750
points)
volume and surface area
+1
vote
2
answers
A storage tank is in the form of a cube. When it is full of water, the volume of water is 15.625 m3.
asked
Feb 2, 2018
in
Class IX Maths
by
navnit40
(
-2,750
points)
volume and surface area
+1
vote
1
answer
Metal spheres, each of radius 2 cm, are packed into a rectangular box of internal dimensions 16 cm x 8 cm x 8 cm.
asked
Feb 2, 2018
in
Class IX Maths
by
navnit40
(
-2,750
points)
volume and surface area
+1
vote
1
answer
The radius of a hemispherical balloon increases from 6 cm to 12 cm as air is being pumped into it.
asked
Feb 2, 2018
in
Class IX Maths
by
saurav24
Expert
(
1,412
points)
volume and surface area
0
votes
1
answer
The length of the longest pole that can be put in a room of dimensions (10m x 10m x 5m) is
asked
Feb 2, 2018
in
Class IX Maths
by
saurav24
Expert
(
1,412
points)
volume and surface area
0
votes
1
answer
The number of planks of dimensions (4 m x 50cm x 20cm) that can be stored in a pit which is 16 m long, 12 m wide and 40 m deep is
asked
Feb 2, 2018
in
Class IX Maths
by
saurav24
Expert
(
1,412
points)
volume and surface area
+1
vote
1
answer
The lateral surface area of a cube is 256 m2. The volume of the cube is
asked
Feb 2, 2018
in
Class IX Maths
by
saurav24
Expert
(
1,412
points)
volume and surface area
0
votes
1
answer
The radii of two cylinders are in the ratio of 2 : 3 and their heights are in the ratio of 5 : 3. The ratio of their volumes is
asked
Feb 2, 2018
in
Class IX Maths
by
saurav24
Expert
(
1,412
points)
volume and surface area
+3
votes
2
answers
The total surface area of a cone whose radius is r/2 and slant height 2l is
asked
Feb 2, 2018
in
Class IX Maths
by
saurav24
Expert
(
1,412
points)
volume and surface area
+1
vote
1
answer
In a cylinder, radius is doubled and height is halved, then curved surface area will be
asked
Feb 2, 2018
in
Class IX Maths
by
saurav24
Expert
(
1,412
points)
volume and surface area
+1
vote
1
answer
A cone is 8.4 cm high and the radius of its base is 2.1 cm. It is melted and recast into a sphere.
asked
Feb 2, 2018
in
Class IX Maths
by
saurav24
Expert
(
1,412
points)
volume and surface area
+1
vote
1
answer
The total surface area of a cube is 96 cm2 . The volume of the cube is
asked
Feb 2, 2018
in
Class IX Maths
by
saurav24
Expert
(
1,412
points)
volume and surface area
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