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How many combinations of balls can be chos...

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How many combinations of balls can be chosen taking at least one green and one blue ball?

From 5 different green balls, four different blue balls and three different red balls, how many combinations of balls can be chosen taking at least one green and one blue ball?
  1. 3720
  2. 3781
  3. 3745
  4. 3721
Asked By : SubramanianCategory : Aptitude
Answer
a. 3720

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