SSC CGL 202221)A copper sphere of diameter 18 cm is drawn into a wire of diameter 6 mm. Find the length of the wire.
108 m
SSC CGL 202222)A solid metallic sphere of radius 13 cm is melted and recast into a cone having diameter of the base as 13 cm. What is the height of the cone?
208 cm
SSC CGL 202223)What is the edge of a cube whose volume is equal to the sum of the volumes of the cubes of edge 6 cm, 8 cm and 10 cm?
12 cm
SSC CGL 202224)If the diameter of a solid hemisphere is 12.6 cm, then its volume is \((take \pi=\frac{22}{7} ):\)
523.908
SSC CGL 202225)If the numerical value of twice the curved surface area of a right circular cylinder is equal to the numerical value of its volume, then what is the numerical value of the radius of the base of the cylinder?
4
SSC CGL 202226)How many metres of 2-m-wide cloth will be required to make a conical tent with a diameter of the base as 14 m and slant height as 9 m? (ignore wastage)
99 m
SSC CGL 202227)The radius of a right circular cylinder is four times of its height. If the height of the cylinder is 14 cm, then what is the volume of cylinder?
137984 cm3
SSC CGL 202228)The radii of the ends of a frustum of a cone 7 cm high are 5 cm and 3 cm. Find its volume correct to one decimal place. \((use \pi = \frac{{22}}{7} )\)
359.3 cm3
SSC CGL 202229)Area of the floor of a cubical room is 64 m2. The length of the longest rod that can be kept in the room is:
\(8\sqrt3\) m
SSC CGL 202230)A conical vessel, whose internal radius is 20 cm and height is 27 cm, is full of water. If this water is poured into a cylindrical vessel with internal radius 15 cm, what will be the height to which the water rises in it?
16 cm