<p>More on picking numbers:</p>
<p>(1) Be aware that if you pick a number that is very simple (such as 0 or 1), more than one answer choice may come out correct. You can usually save time by picking a slightly less simple number (such as 2)</p>
<p>(2) Try to avoid picking numbers that appear in the problem.</p>
<p>(3) When picking two or more numbers try to make them all different.</p>