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Volume of the cylinder = πr²h Volume of the hemisphere = 2/3 × πr³ (since the height of the cylinder is 2r, which is the diameter of the hemisphere) Ratio of the volumes = (πr²(2r)) / (2/3 × πr³) = 3/1 = 3:1.
Number p is 15% more than 150. If k is 15% less than p, then k is equal to:
The perimeters of two similar triangles, ∆ PQR and ∆ XYZ are 48 cm and 24 cm respectively. If XY = 12 cm. then PQ is:
Find how many cubes of side 1 cm each can be made by melting a cuboid with dimensions 20cm × 40cm × 5cm?
The radius of a circle is derived from its circumference, which measures 88 meters. A rectangle features a length that exceeds the circle’s radius by ...
A rectangular paper sheet of dimensions 22cm×12cm is folded in the form of a cylinder along its length. what will be the volume of this cylinder? Take ...
The sum of the perimeters of a square and a rectangle is 118 metres. If the sum of the length and breadth of the rectangle is 33 cm, then find the area ...
The length, breadth and height of a solid cuboidal box are in the ratio 7 : 5 : 3 and its total surface area is 11502cm2. Its breadth is:
Perimeter of a square is equal to perimeter of a rectangle, if area of square is 576 cm2 and length of rectangle is two times that of breadth...
If the volume and radius of a cylinder is 24640 cm3 and 28 cm respectively then find the height of the cylinder?
Calculate the base length of a triangle given that its area is 640 cm² and the altitude corresponding to this base measures 40 cm.
