JAMB 1991 · UME · Q50

A crate of soft drinks contains 10 bottles of Coca-Cola, 8 of Fanta and 6 of Sprite. If one bottle is selected at random, what is the probability that it is NOT a Coca-Cola bottle?

Worked solution (try it first)
  1. There are 10+8+6=2410 + 8 + 6 = 24 bottles.
  2. Not Coca-Cola means Fanta or Sprite: 8+6=148 + 6 = 14 bottles.
  3. So the probability is 1424=712\frac{14}{24} = \frac{7}{12}, option D.

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