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 ?

A. B
B. C
C. E
D. F
E. None of these
Answer: D . F


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.