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Find the number of committees of three that can be formed consisting of two men...

Mathematics
JAMB 2003

Find the number of committees of three that can be formed consisting of two men and one woman from four men and three women

  • A. 3
  • B. 6
  • C. 18
  • D. 24
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Correct Answer: Option C
Explanation

\(^{4}C_2 \times ^{3}C_1\)

= \(\left(\frac{4!}{(4-2)!2!}\right)\times\left(\frac{3!}{(3-1)!1!}\right)\)

= \(\frac{4!}{2!2!}\times \frac{3!}{2!}\)

= \(\frac{4 \times 3 \times 2!}{2 \times 1 \times 2!} \times \frac{3 \times 2!}{2!} = 18\)

There is an explanation video available below.


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Explanation Video

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