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     EduGorilla 
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    There were `d` dogs and `c` cats in a house. One morning x of them escaped. If the housekeeper knows that x = 9, and figures out without looking into the house that at least one dog has escaped, then which of the following does not represent a possible (d, c) pair?

    Options :-

    1. (12, 10)
    2. (17, 7)
    3. (22, 8)
    4. (12, 8)
    5. None of these
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