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Quantitative Aptitude

Probability

6 questions across 5 exam years. Answers for this topic

Quick revision: ProbabilityRules, shortcuts, how it is asked, worked examples and traps
Per paper
~0.2
Years asked
5 of 10
Past questions
6

12 Sep 2020 · shift not stated

Bankersadda/Adda247

Q-PROB-3Q.71

Three are 5 green balls, 7 blue balls and 3 red balls in a bag. If 2 balls are chosen randomly from the bag, then find the probability that at least one ball is green ball.

  1. (a) 1/9
  2. (b) 2/7
  3. (c) 3/8
  4. (d) 3/5
  5. (e) 4/7

Note: 'Three are' as printed in source.