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    Question

    Who among the following is the third lightest

    person? Answer the questions based on the information given below. Seven persons R, S, T, U, V, W and X have different weights. Only X is heavier than R. V is immediate heavier than W. W is not the lightest person. U’s weight is more than V’s weight. Average of W’s and U’s weight is equal to that of T’s weight. Weight of third heaviest person is 25kg and second lightest person is 15kg.
    A S Correct Answer Incorrect Answer
    B T Correct Answer Incorrect Answer
    C W Correct Answer Incorrect Answer
    D V Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    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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