If the sum of radius and height of a solid cylinder is 20 cm and its total surfa
If the sum of radius and height of a solid cylinder is 20 cm and its total surface area is 880 cm 2 then…
A right pyramid stands on a square base of diagonal 10√2 cm. If the height of
A right pyramid stands on a square base of diagonal 10√2 cm. If the height of the pyramid is 12 cm, the area (in…
N solid metallic spherical balls are melted and recast into a cylindrical rod wh
N solid metallic spherical balls are melted and recast into a cylindrical rod whose radius is 3 times that of a spherical ball and…
From a solid cylindrical wooden block of height 18 cm and radius 7.5 cm, a conic
From a solid cylindrical wooden block of height 18 cm and radius 7.5 cm, a conical cavity of the same height and same radius…
The volume of a cylinder is 4312 cm 3 . Its curved surface area is one-third of
The volume of a cylinder is 4312 cm 3 . Its curved surface area is one-third of its total surface area. Its curved surface…
A right triangular pyramid XYZB is cut from cube as shown in figure. The side of
A right triangular pyramid XYZB is cut from cube as shown in figure. The side of cube is 16 cm. X, Y and Z…
Two solid right cones of equal height and of radii r 1 and r 2 are melted and ma
Two solid right cones of equal height and of radii r 1 and r 2 are melted and made to form a solid sphere…
A spherical ball of radius 1 cm is dropped into a conical vessel of radius 3 cm
A spherical ball of radius 1 cm is dropped into a conical vessel of radius 3 cm and slant height 6 cm. The volume…
The curved surface area of a right cylinder is 3696 cm 2 . Its height is three t
The curved surface area of a right cylinder is 3696 cm 2 . Its height is three times its radius. What is the capacity…
If the radius of the base of a cone is doubled, and the volume of the new cone i
If the radius of the base of a cone is doubled, and the volume of the new cone is three times the volume of…
Water flows into a tank which is 200 m long and 150 m wide through a pipe of cro
Water flows into a tank which is 200 m long and 150 m wide through a pipe of cross-section 0.3 m × 0.2 m…
The volume of a hemisphere is $$2425frac{1}{2}$$ cm 3 , Find the radius. $$lef
The volume of a hemisphere is $$2425frac{1}{2}$$ cm 3 , Find the radius. $$left( {{text{Take }}pi = frac{{22}}{7}} right)$$