1. A team won 80 % of the games it played. It played 5 more games of which it won 3 and lst 2. Its loss percentage changed to 25%. How many games did it play overall? a)25 b) 14 c) 16 d)20

• d) 20
  
  Let initially games played=x, then games won=0.8x, lost=0.2x
  Out of 5 new games played, won=3, lost=2, so loss % = [(0.2x+2)/(x+5)]*100 = 25
  (0.2x+2)/(x+5) = 1/4
  0.8x+8 = x+5
  0.2x = 3
  x = 15
  Therefore, total games played=x+5=15+5=20
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