The symbol @ represents one of the four arithmetic operations: addition, subtraction, multiplication, and division.
Is (5 @ 6) @ 2 = 5 @ (6 @ 2) ?
(1) 5 @ 6 = 6 @ 5
(2) 2 @ 0 = 2
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AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
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BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
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CBOTH statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficien
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DEACH statement ALONE is sufficient.
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EStatements (1) and (2) TOGETHER are NOT sufficient.