Simplify 586645 * 9999	Pick one:
A) 5865863355	B) 5665863355	C) 4865863355	D) 4665863355	E) None of these
Explanation:   Although it is a simple question, but the trick is to save time in solving this.   Rather than multiplying it we can do as follows:   586645 * (10000 - 1) = 5866450000 - 586645= 
<gadget id="calculator">5866450000 - 586645</gadget>
<output>5_865_863_355</output>
5865863355   Option 5865863355
<result>A</result>
Simplify 586645 * 9999