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Explanation: Solar energy is the primary source used for solar lighting, refrigeration, and dryers.
The ratio of the breadth to the length of a rectangular field is 3:4. The total cost of cutting the grass of the field at the rate of Rs 12 per m2<...
The surface areas of three faces of a cuboid sharing a vertex are given as 25 m², 32 m² and 32 m². What is the volume of the cuboid?
A frustum of a cone has radii of 8 cm and 5 cm, and the slant height is 13 cm. Find the total surface area of the frustum.
The ratio of length to breadth of a rectangle is 5:6. If the sum of the length and breadth of the rectangle is 44 cm, then find the area (cm2...
A square and a rhombus lie on a common base and the rhombus is inclined at an angle of 30° with the base. Find the ratio of the areas of the square and...
The sum of the perimeter of circle R and S together is 1012 cm. If the area of circle S is 18634 cm2 , then the radius of circle R is approxi...
A cylinder of radius 7 cm is surmounted completely by a cone of same radius. Height of cylinder is 6 cm. Find the height of cone if volume of entire sha...
Inside a square land having perimeter equal to 116 metres, leaving aside a circular land of radius 14 metres, the remaining land needs to be levelled at...
What is the difference between (in m2) the area of a circular field of radius 21 metres and area of a rectangular piece of land having its di...