GMAT Data Sufficiency
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Source: GWD
Level: 2
For all integers x and y, the operation △ is defined by . What is the value of integer t?
(1) t △ 2 = 74
(2) 2 △ t = 80
- A Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
- B Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
- C BOTH statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
- D EACH statement ALONE is sufficient.
- E Statements (1) and (2) TOGETHER are NOT sufficient.