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 ?
Option:
A. B
B. C
C. E
D. F
E. None of these
Answer: D . F
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Justification:
We may prepare a table as under :
| Nehru House | Ghandi House | Tall | Short | Glasses | No glasses | |
| A | X | X | X | |||
| B | X | X | X | |||
| C | X | X | ||||
| D | X | X | X | |||
| E | X | X | X | |||
| F | X | X | X |
F belongs to Gandhi House, is tall and is not wearing glasses.
