Ram and Shyam have a cube each. Ram paints 4 faces of cube with red colour and rest with blue colour. Ram asks Shyam to paint his cube as well with some sides red and some sides blue. They now start rolling the cubes simultaneously. After doing this for very long Ram observes that probability of both the cubes coming up with same colour is 1/3. How many faces of his cube did shyam paint red.
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