Question
Statements: F % W, W © R, R @ M, M $ D Conclusions: Â
I.D @ RÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
II.M $ FÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
III.R @ DÂ Â Â Â Â Â Â Â Â Â Â Â Â
IV.R * F
In the following questions, the 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 not greater than Q’. ‘P @ Q’ means ‘P is neither greater than nor equal to Q’. ‘P $ Q’ means ‘P is neither smaller than nor equal to Q’. ‘P % Q’ means ‘P is neither greater than nor smaller than Q’.
Solution
given statements: F % W, W © R, R @ M, M $ D After converting: F =W, W ≥ R, R < M , M > D After combining: F = W ≥ R < M > D Conclusion a → D @ R → D < R ( R < M > D ) No relationship can be established between D and R so, it is not true. Conclusion b → M $ F → M > F ( F = W ≥ R < M ) No relationship can be established between M and F so, it is not true. Conclusion c → R @ D → R < D ( R < M > D ) No relationship can be established between D and R so, it is not true. Conclusion d → R * F → R ≤ F ( F = W ≥ R ), it is true.
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