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1 markPaper 1 · Multiple choiceExperimental and Theoretical Probabilities

CSEC Mathematics · May/June 2012 · Paper 1 · Question Q42

A bag contains 60 marbles of different colours but similar in size and mass. The probability of randomly choosing a red marble is \frac{5}{12}. How many red marbles does the bag contain?

  1. (A)5
  2. (B)12
  3. (C)17
  4. (D)25

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