Three friends P, Q, R wear hats either black or white. Each sees the other two hats. What is the colour of P's hat?
I. P says he can see one black hat and one white hat.
II. Q says that he can see one white hat and one black hat.
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Logic puzzles require elimination of all but one possibility to have a definite answer.
The question can be answered by one of the statements alone but not by the other.
The question can be answered by using either statement alone.
The question can be answered by using both the statements together, but cannot be answered by using either statement alone.
The question cannot be answered even by using both statements together.
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The Correct Option isD
Solution and Explanation
Both I and II provide the same type of observation without revealing whether P’s hat is black or white — multiple arrangements possible. Even combined, the data is insufficient.