In a certain code language, '851' means 'good sweet fruit' ; '783' means 'good red rose' and '341' means 'rose and fruit'. Which of the following digits stands for 'sweet' in that language ?
Six students A, B, C, D, E and F are sitting in the field. A and B are form Nehru House while the rest belong to Ghandhi House. D and F are tall while the others are short. A, C and D are wearing glasses while the others are not.
Which tall student of Gandhi House is not wearing glasses ?