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Sahay Sir > Question Answers > NCERT Class 10 > Maths > Chapter 13 - Surface Areas and Volumes > Selvi’s house has an overhead tank in the shape of a cylinder. This is filled by pumping water from a sump (underground tank). Which is in the shape of a cuboid. The sump has dimensions 1.57m×1.44m×0.95m. The overhead tank has its radius of 60cm and its height is 95cm. Find the height of the water, left in the sump after the overhead tank has been completely filled with water from a sump which had been full. Compare the capacity of the tank with that of the sump (Use π=22/7)

Selvi’s house has an overhead tank in the shape of a cylinder. This is filled by pumping water from a sump (underground tank). Which is in the shape of a cuboid. The sump has dimensions 1.57m×1.44m×0.95m. The overhead tank has its radius of 60cm and its height is 95cm. Find the height of the water, left in the sump after the overhead tank has been completely filled with water from a sump which had been full. Compare the capacity of the tank with that of the sump (Use π=22/7)

Two cubes each of volume 64 cm^3 are joined end to end. Find the surface area of the resulting cuboid.