A solid hemisphere of diameter 8 cm is placed over a cube whose side is 7 cm. Calculate the total surface area of the combined structure. [Use π = 3]
If the ratio of areas of two circle is 36:49, then the ratio of their circumferences will be:
A solid metal cylinder of 12 cm height and 7 cm radius is melted and recast into two cones in the proportion of 1:2 (volume), keeping the height 12 cm. ...
The total area of the piece of glass square 1296 Cm² is. Which is placed above a table. The width between the table and the edge of the glass piece is ...
If the length of certain rectangle is decreased by 4 cm and breadth is increased by 2 cm, it would result in a square of the same area. What is the peri...
If the volume and radius of a cylinder is 7700 cm3 and 14 cm respectively then find the height of the cylinder?
There is a rectangular paper, whose length and breadth are in the ratio 5:4, respectively and it has a perimeter of 90 metres. If a triangular piece wit...
A salesman’s terms were changed from a flat commission of 9% on all his sales to a fixed salary of Rs. 4000 plus 4% commission on all sales exceed...
The base of a triangle is 18 cm and height is 15 cm. The height of another triangle of double the area having the base 27 cm is:
- A room has a floor covered with rectangular tiles, each measuring 80 cm by 60 cm. Given that the room's dimensions are 5.6 meters in length and 240 centime...
