Broad bed and furrow system in groundnut is developed

If the side of square and its area is in the ratio of 9:45 then find its perimeter?

Find the surface area of the smallest cube that can perfectly fit a sphere of volume 26244π cm³ inside it.  

If the area of a triangle is 1014 cm² and base: corresponding altitude is 3:4, then the altitude of the triangle is:

A solid sphere has a radius of 7 cm. A hemisphere is removed from the sphere. What is the volume of the remaining part of the sphere?

The volume of a cube is 1000 cm³. If the cost of painting the cube is Rs. 8 per cm², then find the cost of painting five faces of the cube.

The length of the rectangle is triple its breadth. If the perimeter of the rectangle is 80 m, then find the area (in m²) of the rectangle.

The side of a square is increased by 40%. Find the percentage change in its area?