The ratio of total surface area and volume of a sphere is 1 : 7. This sphere is
The ratio of total surface area and volume of a sphere is 1 : 7. This sphere is melted to form small spheres of…
The sum of length, breadth and height of a cuboid is 20 cm. If the length of the
The sum of length, breadth and height of a cuboid is 20 cm. If the length of the diagonal is 12 cm, then find…
The perimeter of the triangular base of a right prism is 15 cm and radius of the
The perimeter of the triangular base of a right prism is 15 cm and radius of the in circle of the triangular base is…
If the radii of the circular ends of a frustum which is 45 cm high be 28 cm and
If the radii of the circular ends of a frustum which is 45 cm high be 28 cm and 7 cm then the capacity…
40 men took a dip in a pool 30 m long and 25 m broad. If the average water displ
40 men took a dip in a pool 30 m long and 25 m broad. If the average water displaced by a man is…
The length of the side of a cube is 2.8 cm. What is the volume of the largest sp
The length of the side of a cube is 2.8 cm. What is the volume of the largest sphere that can be taken out…
The ratio of the of two cones is 5 : 6 and their volumes are in the ratio 8 : 9.
The ratio of the of two cones is 5 : 6 and their volumes are in the ratio 8 : 9. The ratio of…
A cuboid of size 50 cm × 40 cm × 30 cm is cut into 8 identical parts by 3 cuts
A cuboid of size 50 cm × 40 cm × 30 cm is cut into 8 identical parts by 3 cuts. What is the…
A 15 m deep well with radius 2.8 m is dug and the earth taken out from it is spr
A 15 m deep well with radius 2.8 m is dug and the earth taken out from it is spread evenly to from a…
A solid cylinder has total surface area of 462 sq. cm. Its curved surface area i
A solid cylinder has total surface area of 462 sq. cm. Its curved surface area is one third of the total surface area. Then…
The radius of the base and height of a right circular cone are in the ratio 5 :
The radius of the base and height of a right circular cone are in the ratio 5 : 12. If the volume of the…
A circus tent is cylindrical up to a height of 3 m and conical above it. If its
A circus tent is cylindrical up to a height of 3 m and conical above it. If its diameter is 105 m and the…