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JAMB Mathematics 2004 Question 46

Question 46

Permutation and Combination

In how many ways can 2 students be selected from a group of 5 students in a debating competition?

  1. A.10 ways
  2. B.15 ways
  3. C.20 ways
  4. D.25 ways
Show the answer and explanation

Answer: A (10 ways)

Explanation

5C2 = (5 × 4)/2 = 10.