Determine the volume of a cone with a curved surface area of 180 cm² and a radius of 6 cm. (Assume π = 3 for calculations.)
If the ratio of areas of two circle is 4:9, then the ratio of their circumferences will be:
Length and breadth of a rectangular room are in the ratio 4 ∶ 5. The perimeter of the room is 180 m. Cost of flooring is Rs. 75 per square metre. Find...
The sum of the perimeters of a square and a rectangle is 120 metres. If the sum of the length and breadth of the rectangle is 28 cm, then find the area ...
There is a rectangular paper, whose length and breadth are in the ratio 5:3, respectively and it has a perimeter of 80 metres. If a triangular piece wit...
Find the volume of a cylinder of radius 7 cm and height 10 cm. (Take π = 22/7)
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, ...
A rectangular piece of land has a perimeter of 66 metres and length of 18 metres. If the area of the land is to be divided into 9 equal portions, then w...
Each side of square ‘A’ is 8 cm less than that of square ‘B’. The perimeter of a rectangle is 6 times the difference of the perimeters of the tw...
