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    Question

    Out of the eight friends A, B, C, D, E, F, G and H

    sitting around a circular table. How many person faces the centre? I. F is immediate neighbor of E but not the neighbor of A. E is not an immediate neighbor of D or C. Three of them are facing the centre. II. The only one who is sitting in between D and F, is not facing the centre. G is third to the right of A and is facing the centre. C is third to the left of D and both are facing the centre. B is the neighbour of F. III. F is an immediate neighbor of B and facing outside. Each of the questions below consists of a question and three statements numbered I, II and III given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and Give answer
    A If the data in statement I and II are sufficient to answer the question, while the data in statement III are not required to answer the question Correct Answer Incorrect Answer
    B If the data in statement I and III are sufficient to answer the question, while the data in statement II are not required to answer the question Correct Answer Incorrect Answer
    C If the data in statement II and III are sufficient to answer the question, while the data in statement I are not required to answer the question Correct Answer Incorrect Answer
    D If the data given in either statement I alone or statement II alone or statement III alone are sufficient to answer the question Correct Answer Incorrect Answer
    E If the data in all the statements I, II and III together are not sufficient to answer the question. Correct Answer Incorrect Answer

    Solution

    From I and II: From II, C is third to the left of D and both are facing the centre. From I, E is not an immediate neighbor of D or C. E can either be seated at 6 or 7. F is an immediate neighbor of E but not of A. And B is the neighbour of F. Thus, in case I, F cannot be seated at 5 because then B cannot be a neighbor of F. Thus F sits at 7 when E sits at 6 and B sits at 8. Similarly, when E is at 7, F cannot be at 8. Thus F sits at 6 when E sits at 7 and B sits at 5. But according to II, The only one who is sitting in between D and F, is not facing the centre. Thus, only person sitting between D and F. Thus, case II discarded. G is third to the right of A and is facing the centre. Also, only three people face the center. Thus A is facing outside.

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