What is the weight of T?
Only X is heavier than R. X        R   _____  _____  _____  _____  _____ V is immediate heavier than W. W is not the lightest person. U’s weight is more than that of V’s weight. Average of W and U’s weight is equal to that of T’s weight. It means T must be lighter than U and heavier than F. X        R   U  T  V  W  _____ We get that S is the lightest person. X        R   U  T  V  W  S Weight of third heaviest person is 25kg and second lightest person is 15kg. X    R   U(25Kg)  T  V  W(15Kg)  S Average of W and U’s weight is equal to that of T’s weight. So, weight of T is: (25 + 15) / 2 = 40 / 2 = 20kg. Therefore, the final arrangement is X > R > U (25kg) > T (20kg) > V > W (15kg) > S
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