SSC CHSL 202151)From a rectangular sheet of dimensions 32 cm × 18 cm, a square of side 3 cm is cut from the four corners of the sheet and a box is made. The volume of the box is:
936 cm3
SSC CHSL 202152)How many spherical bullets, each bullet being 7 cm in diameter, can be made out of a cube of lead whose edge measures 77 cm? (Take π = 22/7)
2541
SSC CHSL 202153)A solid cube having volume 46656 cm3 is cut into 27 cubes of equal volume. The surface area (in cm2) of the smaller cubes is:
864
SSC CHSL 202154)The total surface area of a solid cube is 4.86 m2. It is melted and recast into a right circular cylinder of radius 0.3 m. What is the height (in m) of the cylinder (correct to one decimal place)? Take \(\pi = \frac{22}{7}\) .
2.6
SSC CHSL 202155)A solid metallic sphere of radius 10 cm is melted and recast into spheres of radius 2 cm each. How many such spheres can be made?
125
SSC CHSL 202156)The volume of a right circular cone is 462 cm3. If its height is 12 cm, then the area of its base (in cm2) is:
115.5
SSC CHSL 202157)How many bricks each measuring 64 cm × 11.25 cm × 6 cm, will be needed to build a wall measuring 8 m × 3 m × 22.5 m?
125000
SSC CHSL 202158)If the volume of a sphere is \(697 \frac{4}{21}\) cm3, then its radius is: (Take π = 22/7)
5.5 cm
SSC CHSL 202159)A solid metallic sphere of radius 12 cm is melted and recast in the form of small spheres of radius 2 cm. How many small spheres are formed?
216
SSC CHSL 202160)The square of the diagonal of a cube is 2175 cm2. What is the total surface area (in cm2) of the cube?
4350