Question

Sanju has four cubes like the first one:

He sticks them together to form the solid shown here and paints it blue all over.
A week later, he separates the four cubes.
What fraction of the total number of faces is WHITE?

Answer 1

Answer:

Rust is the common name of the chemical called iron oxide. Technically, it's iron oxide hydrate, because pure iron oxide isn't rust.

Rust forms when iron or its alloys are exposed to moist air. ...