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Q:

A box has 100 blue balls, 50 red balls, 50 black balls. 25% of blue balls and 50% of red balls are taken away. Percentage of black balls at present is

  • 1
    $$33{1\over2}\%$$
  • 2
    40%
  • 3
    50%
  • 4
    25%
  • Show Answer
  • Workspace

Answer : 1. "$$33{1\over2}\%$$"

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