| Column / Floor Number | I | II | III |
| 4 | Fem | Hem | Dem |
| 3 | Gem | Cem | Kem |
| 2 | Uem | Aem | Tem |
| 1 | Sem | Pem | Rem |
Each department is headed by different person viz., M, B, N, O, Q, L, J, Y, Z, V, W and X but not necessarily in the same order.
X’s department is one department below the one which is second to the right of department F. Q’s department is on the even numbered floor. J is an immediate neighbour of X. N’s department is to the immediate right above diagonally of the department that is immediately above the W’s department. Z’s department is to the immediate left below diagonally of the department that is to the immediate left below diagonally of department Kem. M’s department is to the immediate right above diagonally of the department that is one department below B’s department. V’s department is to the immediate right above diagonally of the department that is to the immediate left above diagonally of X’s department. O’s department is to the immediate left above diagonally of the department that is one department below M’s department. L’s department is to the immediate left above diagonally of the department that is to the immediate left below diagonally of N’s department. B’s department is just above the department that is to the immediate left below diagonally of Q’s department. Y’s department is to the immediate right below diagonally of the department that is to the immediate right below diagonally of department Gem.
Which of the following departments is headed by Q ?