If 10% of 30% of 50% of a number is 90, then what is the number?
Choose the correct answer.
A) 4000 B) 6000 C) 4400 D) 4500 E) None of these
Let the number be a   Given, 10/100 * 30/100 * 50/100 * a = 90   =&gt; 1/10 * 3/10 * 1/2 * a = 90   =&gt; a = 10 * 20 * 10 * 2 = 6000.   ANSWER:6000
<result>B</result>
If 10% of 30% of 50% of a number is 90, then what is the number?