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    Question

    Six friends namely –P, Q, R, S, T and U lives in six

    floored building marked 1 to 6 in such a way that lowermost floor is marked as 1 and topmost floor is marked as 6, each person likes different color viz. Green, Red, Black, Yellow, Blue and White not necessary in same order. R, who lives on odd numbered floor but not on floor marked 3, lives just above one who likes White. Only two person lives between S and one who likes White. T, who likes Blue, neither lives adjacent floor of S nor on adjacent floor of R. One who likes Black lives on topmost floor. How many person lives on floor above one who likes Yellow? I. U, who neither likes Black nor likes White, lives at a gap of two floor from one who likes Red. Only two person lives between Q and one who likes Green. II.Q, who lives on adjacent floor of one who likes Blue, lives at a gap of two floor from one who likes Green. U, who doesn’t lives of top floor, lives just above floor of one who likes Green. Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question:
    A If the data in Statement I alone is sufficient to answer the question, while the data in Statement II alone is not sufficient to answer the question. Correct Answer Incorrect Answer
    B If the data in Statement II alone is sufficient to answer the question, while the data in Statement I alone is not sufficient to answer the question. Correct Answer Incorrect Answer
    C If the data either in Statement I alone or in Statement II alone is sufficient to answer the question. Correct Answer Incorrect Answer
    D If the data in both the Statements I and II together are not sufficient to answer the question. Correct Answer Incorrect Answer
    E If the data in both the Statements I and II together are necessary to answer the question. Correct Answer Incorrect Answer

    Solution

    We have: R, who lives on odd numbered floor but not on floor marked 3, lives just above one who likes White, that means R lives on floor marked 5. Only two person lives between S and one who likes White, that means S lives on floor marked 1. T, who likes Blue, neither lives adjacent floor of S nor on adjacent floor of R, that means T lives on floor marked 3.  One who likes Black lives on topmost floor. Based on above given information we have: From I We have:  U, who neither likes Black nor likes White, lives at a gap of two floor from one who likes Red, that means U lives on floor marked 2.  Only two person lives between Q and one who likes Green, that means Q likes White. Based on above given information we have: Clearly, four person lives above one who likes Yellow Hence, statement I is alone sufficient. From II: We have:  Q, who lives on adjacent floor of one who likes Blue, lives at a gap of two floor from one who likes Green. U, who doesn’t lives of top floor, lives just above floor of one who likes Green, that means U lives on floor marked 2. Based on above given information we have:  Clearly, we don’t know exact person one who likes Yellow. Hence, statement II is not sufficient.

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