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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

4 Aug 2019 · shift not stated

Career Power (Adda247)

Q-PROB-2Q.78

There are 5 red, 6 black and 5 blue balls in a bag. Out of these balls, four balls are picked at random from the bag. Then, what is the probability that one is red, two are black and one is blue ball?

  1. (a) 75/362
  2. (b) 75/364
  3. (c) 71/362
  4. (d) 70/363
  5. (e) 5/26

Note: stacked fractions in options restored from PDF rendering