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Recent questions tagged surface areas and volumes
+3
votes
1
answer
A hollow sphere of internal and external radii 2 cm and 4 cm respectively is melted into a cone of base radius 4 cm.
asked
Apr 7, 2019
in
Class 10
by
kratos
surface areas and volumes of a sphere
surface areas and volumes
class-10
class-9
+2
votes
0
answers
Find the surface area of a sphere of radius : (i) 10.5 cm (ii) 5.6 cm
asked
Apr 6, 2019
in
Class 9
by
kratos
surface areas and volumes of a sphere
surface area and volume of a sphere
surface areas and volumes
class-9
+3
votes
1
answer
A 20 m deep well with diameter 7 m is dug and the earth from digging is evenly spread out to form a platform 22 m by 14 m.
asked
Apr 5, 2019
in
Class 10
by
kratos
surface areas and volumes
class-10
cbse
+1
vote
1
answer
A toy is in the form of a cone surmounted on a hemisphere. The diameter of the base and the height
asked
Apr 4, 2019
in
Class 10
by
kratos
surface areas and volumes
class-10
cbse
+3
votes
1
answer
Why Glass panes fixed to windows of old buildings are invariably found to be thicker at the bottom than the top ?
asked
Apr 4, 2019
in
Class 12
by
kratos
force and pressure
class-8
solid state
perimeter and area
pressure
class-7
force
class-9
surface areas and volumes
class-12
+2
votes
1
answer
A plastic box 1.5 m long, 1.25 m wide and 65 cm deep, is to be made. It is to be open at the top.
asked
Apr 4, 2019
in
Class 9
by
kratos
surface areas and volumes of cuboid and cube
cbse
class-8
surface area and volume of cube and cuboid
class-9
icse
surface areas and volumes
+2
votes
1
answer
In a right circular cone, the cross-section made by a plane parallel to the base is a
asked
Apr 4, 2019
in
Class 10
by
kratos
ncert
surface areas and volumes
class-10
+1
vote
1
answer
If the ***** height of the frustum of a cone is 10 cm and the perimeters of its circular base are 18cm and 28cm respectively.
asked
Apr 3, 2019
in
Class 10
by
kratos
surface areas and volumes
class-10
cbse
+1
vote
1
answer
Two solid cones A and B are placed in a cylindrical tube as shown in the figure. The ratio of their capacities is 2 : 1.
asked
Apr 3, 2019
in
Class 10
by
kratos
ncert
surface areas and volumes
class-10
+3
votes
1
answer
An iron spherical ball has been melted and recast into smaller ***** of equal size.
asked
Apr 2, 2019
in
Class 10
by
kratos
surface areas and volumes
class-10
+1
vote
1
answer
Find the cost of digging a cuboidal pit 8 m long, 6 m broad and 3 m deep at the rate of Rs. 30 per m^3.
asked
Apr 1, 2019
in
Class 9
by
kratos
surface area and volume of cube and cuboid
surface areas and volumes
class-9
surface areas and volumes of cuboid and cube
+3
votes
1
answer
Find the area of the minor segment of a circle of radius 14 cm, when the angle of the corresponding sector is 60°.
asked
Apr 1, 2019
in
Class 10
by
kratos
cbse
ncert
class-10
areas related to circles
surface areas and volumes
+3
votes
1
answer
Find the gravitational field strength and potential at the centre of arc of linear mass density λ subtending an angle 2α at the centre.
asked
Apr 1, 2019
in
JEE
by
kratos
irodov
trigonometric ratio
cbse
class-11
jee
angles
class-10
jee mains
surface areas and volumes
gravitation
+3
votes
1
answer
A conical vessel of radius 12 cm and height 16 cm is completely filled with water. A sphere is lowered into the water
asked
Apr 1, 2019
in
Class 10
by
kratos
surface area and volume
cbse
class-9
class-10
surface areas and volumes
+2
votes
1
answer
The area of a circular playground is 22176 m^2. Find the cost of fencing this ground at the rate of Rs.50 per m.
asked
Apr 1, 2019
in
Class 10
by
kratos
circumference and area of a circle
areas related to circles
ncert
class-10
surface areas and volumes
+3
votes
0
answers
A village, having a population of 4000, requires 150 litres of water per head per day.
asked
Mar 31, 2019
in
Class 9
by
kratos
surface areas and volumes of cuboid and cube
csat
class-8
class-9
surface areas and volumes
geometry & mensuration
+3
votes
1
answer
Shanti Sweets Stall was placing an order for making cardboard boxes for packing their sweets. Two sizes of boxes were required.
asked
Mar 30, 2019
in
Class 12
by
kratos
class-12
surface areas and volumes
class-10
class-9
+3
votes
1
answer
Find the area of sector of a circle with radius 6 cm whose angle of sector is 60°.
asked
Mar 30, 2019
in
Class 10
by
kratos
circumference and area of a circle
areas related to circles
ncert
class-10
surface areas and volumes
+3
votes
1
answer
Water in a canal 6 m wide and 1.5 m deep is flowing with a speed of 10 km / h. How much area in hectare will it
asked
Mar 30, 2019
in
Class 10
by
kratos
surface areas and volumes
cbse
class-10
+3
votes
1
answer
By whom had the stupa at Sanchi in Madhya Pradesh been built?
asked
Mar 30, 2019
in
Class 12
by
kratos
thinkers
beliefs and buildings
the mauryan empire
india in the 6th century bc
buddhism
class-9
class-12
icse
ancient history of india
class-10
ancient india
surface areas and volumes
rise of jainism
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