NO one Attempted so I am giving the reply myself to save some blushes.. I got a couple emails with the reply.. but they were wrong too..
Its Impossible to only predict 4 out of 5. CAUSE that means they will automatically know that the 1 stock left is in 5th drawer so they will actually know 5 out of 5
not 4 out of 5 as the company wants.
🙂