The cube has how many edges?

Ramesh has collected some boxes in his room. Pictures of these are given here. How many are cubes and how many are cuboids?

The edge of cube is 20cm. How many smallcubes of 5cm edge can be formed from this cube?

A solid white cube with an edg of 8 inches is painted red . The cube is then sliced into 512 1-inch cubes . How many of these cubes have exactly 2 red faces ?

State whether true (T) or false (F) : A cube has 8 edges .

The edge of cube is 20 cm. How many small cubes of 5 cm edge can be formed from this cube ?

If each edge of a cube is doubled: how many times will its volume increase?