Seven friends P, Q, R, S, T, U and V are different ages. U is older
than S and T only. Q is same position from either ends. R is older
than V but younger than P, then who is the second youngest person?
a's b) T c) U d) can't say e) none of these
Answers
Answer:
Given, order: P, Q, R, S, T, U, V.
The point is A person can see caps of all persons standing in front of him but cant see his own cap and caps of persons standing behind him. S is able to see in front of him green and blue, but not violet which means the people in front of S i.e., P or Q or R worn green or blue and people after S and including himself i.e., S or T or U or V worn violet. T can see violet and yellow but not red.
Clearly, S is wearing violet cap and P/Q/R worn green/blue/yellow not necessarily in that order. V can see caps of all colours other than orange which means he is the last person in the row, he can see all caps except his. So, we can say V is wearing Orange cap. Given that T wears indigo cap.
The summary is:
Person Cap
P/Q/R green/blue/yellow
S violet
T indigo
V orange
Finally we left with red cap which means U is wearing it.
Hence, (A) is the correct answer.
Step-by-step explanation:
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