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UPCAT Mathematics practice question 38: A box contains 5 red marbles and 3 blue marbles. If one marble is drawn at random, what is the probability it is red?

Correct answer

B. 5/8

There are 5 favorable outcomes out of 8 marbles in total.

A box contains 5 red marbles and 3 blue marbles. If one marble is drawn at random, what is the probability it is red?

  1. 3/8
  2. 5/8Correct
  3. 5/3
  4. 1/2

Why B is correct

There are 5 favorable outcomes out of 8 marbles in total.

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