AP Police Constable 2018 Prelims Previous Year Paper (6-Jan-2019)

A right circular solid cylinder has radius 7 cm and height 24 cm. A conical cavity of same dimensions is carved out of the cylinder. Then the sum of the areas, in square centimeters, of the inner and the outer surfaces of the remaining solid is

The radius, in centimeters, of the greatest sphere that can be carved out of a soild cone is radius 9 cm and height 40 cm, is

The frustrum of a right circular cone has height 12 cm, radius of the base 8 cm and the radius of the top 3 cm. Then the ratio of the volume of the frustum to its total surface/area is

Three cubes of metal whose edges are 3 cm, 4 cm and 5 cm are melted to form a bigger cube. If there is no loss of metal in this process, then the diagonal of the bigger cube, in centimeters, is

When each edge of a cube is increased by 10%, then the increase in the total surface area of cube is