<p>In how many ways can $8$ people be divided into</p>
<ol class="i-list"><li><div class="list-item-paragraph">groups of $2$ people and $6$ people,<span class="inline-marks">[1]</span></div></li><li><div class="list-item-paragraph">$2$ groups of $4$ people,<span class="inline-marks">[2]</span></div></li><li><div class="list-item-paragraph">$4$ groups of $2$ people,<span class="inline-marks">[2]</span></div></li><li><div class="list-item-paragraph">${{1}^{\mathrm{st}}}$ pair, ${{2}^{\mathrm{nd}}}$ pair, ${{3}^{\mathrm{rd}}}$ pair and the ${{4}^{\mathrm{th}}}$ pair.<span class="inline-marks">[1]</span></div></li></ol>

In how many ways can $8$ people be divided into

${{1}^{\mathrm{st}}}$ pair, ${{2}^{\mathrm{nd}}}$ pair, ${{3}^{\mathrm{rd}}}$ pair and the ${{4}^{\mathrm{th}}}$ pair.

Permutation and Combination

Question 308b9735

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