... Option D (i) Before even evaluating the statements, simplify the question In a more complicated data sufficiency problem, it is likely that some rearranging of the terms will be necessary in order ... this will give a definitive answer, the data are sufficient (Note: Although the answer to the question here is yes, it does not need to be yes in order for sufficiency to exist In other words, if ... y)(x + y)?" If you can find the value of (x2 + y2)(x - y)(x + y) or x4 - y4, you have sufficient data (v) Evaluate Statement (1) alone a) Statement (1) says (y2 + x2)(y + x)(x - y) = 240 The information...