Discussion
Statement:
A $ R, R % S, T & U, V $ J, U @ V, U $ K, R & U
Conclusion:
(a) A * U (b) S $ J (c) T & K (d) A * K
Answer: E
Correct answer: None of these
This set’s code reads \(\&\) as “not greater than”, so \(\le\); \(*\) as “not smaller than”, so \(\ge\); \(\%\) as “neither greater than nor equal”, so \(<\); \(\$\) as “neither smaller than nor equal”, so \(>\); and \(@\) as \(=\). The statements become \( A > R \), \( R < S \), \( T \le U \), \( V > J \), \( U = V \), \( U > K \) and \( R \le U \).
Look at the shape before testing anything. R is a low point - A stands above it, S stands above it, U stands above it - while U is a high point, with T, K and R all at or below it. An arrangement in which almost everything hangs below a common element settles almost nothing.
(a) \( A \ge U \): A and U both stand above R. Not determined.
(b) \( S > J \): S stands above R; J stands below V, which equals U. The two are joined only through R and U, and the direction reverses. Not determined.
(c) \( T \le K \): T and K both sit below U. Not determined.
(d) \( A \ge K \): A is above R, K is below U, and R is below U - again the wrong way round to carry anything. Not determined.
None of the four is definite, so the answer is none of these.
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