Offline paper
Mathematics · 2015
JEE Main 2015 · 2015-04-04 Offline · Q61
Let A and B be two sets containing four and two elements respectively. Then the number of subsets of the set A × B, each having at least three…
Let A and B be two sets containing four and two elements respectively. Then the number of subsets of the set $\displaystyle \mathrm{A} \times \mathrm{B}$, each having at least three elements is :
Official answer
(1)
$\displaystyle 219$
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