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Discussion :: Mathematical and Computer Operations

  1. In the following questions, symbols #, $, @, * and © are used with the following meaning as illustrated below:
    'P#Q' means 'P is not smaller than Q'.
    'P$Q' means 'P is neither smaller than nor greater than Q'.
    'P@Q' means 'P is neither greater than nor equal to Q'.
    'P*Q' means 'P is not greater than Q'.
    'P©Q' means 'P is neither smaller than nor equal to Q'.

    Statements: M © R, R @ K, K $ T
    Conclusions: I. T © R   II. T © M
  2. A.
    if only conclusion I is true.
    B.
    if only conclusion II is true.
    C.
    if either conclusion I or II is true.
    D.
    if neither conclusion I nor II is true.
    E.
    if both the conclusions I and II are true.

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    Answer : Option A

    Explanation :

    M > R -- (i); R > K -- (ii); K = T -- (iii)

    combining (ii) and (iii), we get:


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