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Tikka disease of groundnuts is caused by the pathogenic fungus Cercospora personatum and Cercospora arachidicola.
The area of four walls of a room is 160 cm2. If the length and breadth of the room were equal and the height of the room is 5 cm, then what i...
The perimeter of a rhombus is 60 m and its height is 5 m. Its area is:
If tan A = √5 – 2, then the value of tan A - cot A = ?
Find the coordinates of the points where the graph 57x – 19y = 399 cuts the coordinate axes.
(a) x – axis at (– 7,0) and y – axis at (0, ...
There is a rectangular paper, whose length and breadth are in the ratio 6:7, respectively and it has a perimeter of 78 metres. If a triangular piece wit...
A cone has a radius of 5 cm and a slant height of 13 cm. Find the total surface area of the cone.[Take π = 3.14 ]
A cuboidal box with dimensions 12.5 cm (length), 7.5 cm (breadth), and 10 cm (height) is open from the top. The box is to be painted from the outside. I...
There's a cone of height 12cm out of which a smaller cone with the same vertex and vertical axis is cut out. What is the ratio of the volume of the larg...
A rectangular piece of copper foil of length 35 cm and area 770 cm2 is folded along its width to form a cylinder such that there is only one ...
The diameter of the base of a cylindrical drum is 28 cm and its height is 15 cm. The drum is full of water and the water from the drum is transferred to...