Cylinder B has twice the radius and half the height of cylinder A. The ratio of volumes of A and B is

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Definition of Pi as Ratio of Circumference to Diameter | PadhAiPro

Question

MCQ (Single)Definition of Pi as Ratio of Circumference to Diameter

The radii of two cylinders are in the ratio 2 : 3 and their heights in the ratio 3 : 2. The ratio of their volumes is

The volume of the largest cylinder that can be cut from a cube of edge r cm is

A 12 cm metal cube is melted and recast into rods of radius 2 cm and height 12 cm. The number of complete rods formed is (π = 22/7)

A cone of height 15 cm has volume 1570 cm3. Its base radius is (π = 3.14)

The curved surface area of a cone is 308 cm2 and its slant height is 14 cm. Its total surface area is (π = 22/7)

A right triangle with sides 6 cm, 8 cm and 10 cm is revolved about the side 8 cm. The volume of the solid formed is