Out of 4 men and 4 women, how many different committees of exactly 3 men and 2 women can be formed (order does not matter)?

Aptitude Permutation and Combination Difficulty: Easy
Choose an option
  • A
    15
  • B
    16
  • C
    20
  • D
    24

Answer

Correct Answer: 24

Explanation

Introduction / Context:We select fixed counts from each subgroup. Order of members on a committee is irrelevant, so use combinations.

Given Data / Assumptions:

  • Men = 4; choose 3.
  • Women = 4; choose 2.
  • Committees are sets (no roles or ordering).

Concept / Approach:Compute C(4,3) * C(4,2) by independence across disjoint groups.

Step-by-Step Solution:C(4,3) = 4.C(4,2) = 6.Total = 4 * 6 = 24.

Verification / Alternative check:Enumerating men first, then women, or vice versa, yields the same product.

Why Other Options Are Wrong:20 and 16 are near-miss counts (e.g., forgetting some combinations); 15 is C(6,2) and unrelated.

Common Pitfalls:Accidentally using permutations or mixing order into a committee selection.

Final Answer:24

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