List of top Mathematics Questions on Surface Area of a Combination of Solids asked in UP Board X

A cubical block of side $14\,$cm is surmounted by a hemisphere. What is the greatest diameter the hemisphere can have? Find the surface area of the solid. (Use $\pi=3.14$)
A solid is made by joining corresponding faces of two cubes each of side 10 cm. The surface area of the resulting cuboid will be: