Seven friends S, T, U, V, W, X and Y, each has a different age. W is older than X but younger than V. Only three people are older than V. T is older than U but younger than S. Y is the youngest among all. How many persons are younger than U?
Answer & explanation
Correct answer: option 1
S, T, U, V, W, X and Y
1) W is older than X but younger than V. Only three people are older than V.
⇒ _ > _ > _ > V > W > X > _
2) Y is the youngest among all.
⇒ _ > _ > _ > V > W > X > Y
3) T is older than U but younger than S.
⇒ S > T > U > V > W > X > Y
4 persons are younger than U