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Diagonal of a cube of edge a is :
Diagonal of a cube of edge
If each edge of a cube is increased by 50%, the percentage increase in the surface area is :
When side is increased by 50%, side become
Surface area
Percentage
A surahi is the combination of :
A surahi is the combination of a sphere and a cylinder.
A funnel is combination of :
funnel is a combination of frustum a cone and a cylinder
The shape of a bucket is usually in the form of:
The shape of bucket is in the form of frustum of a cone.
A flask used in the laboratory is the combination of:
Flask is the combination of cylinder and cone.
Welcome of material of a hollow right circular cylinder of height h and external and internal radii R and r respectively is :
Welcome on it is volume
The ratio of the volumes of two spheres is 8 : 27. The ratio between their surface areas is :
On increasing each of the radius of the base and the height of a cone by 20%, its volume will be increased by
New radius
New height
New volume
Increased
The curved surface area of a cylinder is \(264\ m^2 \) and its volume is \(924\ m^3 \). The height of the pillar is :
A cylindrical vessel of radius 5 cm and height 6 cm is full of water. A marble of radius 2.1 cm is put into the vessel. The volume of water which flows out of the vessel is :
If two solid hemispheres of same base radius r are joined together along their bases, then curved surface area of the new solid is :
A right circular cylinder of radius r cm and height h (h > 2r) just encloses a sphere of diameter :
Sphere of diameter = diameter of base of cylinder
Volumes of two spheres are in the ratio 27 : 64. The ratio of their surface areas is :
Ratio of surface area
In a right circular cone, the cross section made by a plane parallel to the base is a :
A cone is a solid that has a circular base and a single vertex from cone definations, cross function is circle.
The total surface area of a hemisphere of radius 7 cm is :
Total surface area
The height of a conical tent is \(14\ m \) and its floor area is \(346.5\ m^2 \). The length of \(1.1\ m \) wide canvas required to built the tent is :
Area of convas
Length of convas
The ratio of the total surface area to the lateral surface area of a cylinder with base diameter 160 cm and height 20 cm is :
Ratio
The radius of the base of a cone is 5 cm and its height is 12 cm. Its curved surface area is :
The volume of the largest right circular cone that can be cut out from a cube of edge 4.2 cm is :
Radius
Volume
A solid piece of iron in the form of a cuboid of dimensions \(49\ cm \times 33\ cm \times 24\ cm\) is moulded to form a solid sphere. The radius of the sphere is :
A cubical icecream brick of edge 22 cm is to be distributed among some children by filling the ice cream cones of radius 2 cm and height 7 cm up to its brim. How many children will get the icecream cones ?
The radii of two circular ends of a bucket are 12 cm and 22 cm. If the height of the bucket is 35 cm, the capacity of the bucket is :
The height of a cylinder is \(14\ cm \) and its curved surface area is \(264\ cm^2 \). The volume of the cylinder is :
Volume
The ratio between the radius of the base and the height of the cylinder is 2 : 3. If its volume is \(1617\ cm^3 \), the total surface area of the cylinder is :
The diameters of the ends of a frustum of a cone of height h are 2 R and 2r. The volume of the frustum of the cone is :
Volume of frustum of cone
12 solid spheres of the same size are made by melting a solid metallic cylinder of base radius 1 cm and height 16 cm. The radius of each sphere is :