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If the radius and height of a right circular cylinder are increased by 22% and 28%, respectively, what is the percentage increase in its volume? (Use π...
A race track is in the shape of a rectangle with length of 30 metres and area of 4500 m2. A car takes 20 seconds to make one lap around the p...
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...
The area of the largest circle, that can be drawn inside a rectangle with sides 100 cm by 91 cm, is:
Each side of square ‘A’ is 4 cm less than that of square ‘B’. The perimeter of a rectangle is 3 times the difference of the perimeters of the tw...
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...
If the diameter of the cylinder is 14 cm and height of the cylinder is 2cm. Find the sum of the curved surface are and total surface area?
Four persons ‘A’, ‘B’, ‘C’ and ‘D’ have different amounts with them. ‘D’ has twice amount th...
Find the curved surface area of a cone whose height is 6 m and radius is 8 m. (in m 2 ) (approximate value) (The value of π is 22/7)
The ratio of the curved surface area and the total surface area of a cylinder is 5:7, respectively. Find the ratio of the height and radius of the cylin...
