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WAEC 2025 · Paper 1 · Q50✱✱

A box contains 2 red, 6 white and 5 black balls. A ball is selected at random. What is the probability that it is black?

Worked solution (try it first)
  1. There are 2+6+5=132 + 6 + 5 = 13 balls.
  2. 5 of them are black, so the probability is 513\frac{5}{13}, option A.

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