that's mean , he was guruji's feverate ?, think again dear
Ok dear.Let me explain all possibilities... Let names of guys are A,B and C. A told the exact color.
A...................B....................C......................Outcome
1.White............White.............Black................. C easily told color of his cap
2.White...........Black.............White...................B easily told color of his cap
3.White...........Black.............Black....................B and C will be in confsion.after knowing that B is in confusion the.C tells the right color or vice versa.
4.Black............White...........White....................A easily told color of his cap
5.Black............White...........Black.....................Similar to condition 3
6.Black............Black............White....................Similar to condition 3 and 5
7.Black............Black...........Black......................All are confused.
B and C did'nt tell the clor so discard condition 1, 2 and 3..
In all other conditions A's cap color is Black.He told, so he is intelligent.