A metallic sphere of radius 5 cm is melted to make a cone with base of the same
A metallic sphere of radius 5 cm is melted to make a cone with base of the same radius. What is the height of…
A hemisphere of lead of radius 6 cm is cast into a right circular cone of height
A hemisphere of lead of radius 6 cm is cast into a right circular cone of height 75 cm. The radius of the base…
Base of a prism is a rectangle the ratio of whose length and breadth is 3: 2. If
Base of a prism is a rectangle the ratio of whose length and breadth is 3: 2. If the height of the prism is…
The base of a prism is a trapezium whose lengths of two parallels sides are 10 c
The base of a prism is a trapezium whose lengths of two parallels sides are 10 cm and 6 cm and distance between them…
If the diameter of a sphere is 6 m, its hemisphere will have a volume of :
If the diameter of a sphere is 6 m, its hemisphere will have a volume of :
A rectangular water reservoir contains 42000 litres of water. If the length of r
A rectangular water reservoir contains 42000 litres of water. If the length of reservoir is 6 m and breadth of the reservoir is 3.5…
The length of the longest rod that can be placed in a room of dimensions 10 m ×
The length of the longest rod that can be placed in a room of dimensions 10 m × 10 m × 5 m is…
A cistern, open at the top, is to be lined with sheet of lead which weights 27 k
A cistern, open at the top, is to be lined with sheet of lead which weights 27 kg/m 2 . The cistern is 4.5…
The sum of the radius and the height of a cylinder is 19 m. The total surface ar
The sum of the radius and the height of a cylinder is 19 m. The total surface area of the cylinder is 1672 m…
The length, breadth and height of a cuboid are in the ratio 1 : 2 : 3. The lengt
The length, breadth and height of a cuboid are in the ratio 1 : 2 : 3. The length, breadth and height of the…
Given that 1 cu. cm of marble weights 25 gms, the weight of a marble block 28 cm
Given that 1 cu. cm of marble weights 25 gms, the weight of a marble block 28 cm in width and 5 cm thick…
A water tank is 30 m long, 20 m wide and 12 m deep. It is made of iron sheet whi
A water tank is 30 m long, 20 m wide and 12 m deep. It is made of iron sheet which is 3 m…