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Discussion :: Mathematical and Computer Operations

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

    Statements: J % V, V # T, T © R
    Conclusions: I. R @ J  II. R # J
  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 D

    Explanation :

    J ≤ V -- (i); V < T -- (ii); T > R -- (iii)

    combining (i) and (ii), we get


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