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Good DS problem

Expert replies
by edwardyong » Sun Dec 27, 2009 12:56 pm
A certain football team played x games last season, of which the team won exactly y games. If tied games were not possible, how many games did the team win last season?

(1) If the team had lost two more of its games last season, it would have won 20 percent of its games for the season.

(2) If the team had won three more of its games last season, it would have lost 30 percent of its games for the season.

OA after some discussion
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Source: — Data Sufficiency |

by mehravikas » Sun Dec 27, 2009 8:08 pm
Statement 1: y - 2 = 20x/100
Statement 2: y + 3 = 70x/100

Answer C
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by deepakdewani » Tue Dec 29, 2009 9:41 am
Agree with Vikas. Two variabales and we have two distinct linear equations from both the statements provided, hence C
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