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Re: DS problem
by TG Team - Thursday, 23 September 2010, 05:13 PM
 

Using 1) alone we have 3x > 3y + 12 but there is no relation between 7y and (3y + 12).

Using 2) alone we have 3x > (42/5)y > 7y. (x, y are given as positive.)

Hence answer can be determined by 2) alone but not by 1) alone.smile