If 30% of a number exceeds 20% of it by 18, then find the number?
Choose the correct choice from the following.
A) 120	B) 200	C) 180	D) 150	E) None of these
Let the number be x.   30% of x = 30/100 * x = 3x/10   20% of x = 20/100 * x = x/5 = 2x/10.   Given that 3x/10 - 2x/10 = 18 =&gt; x = 180.   Required number is 180.   ANSWER:180
<result>C</result>
If 30% of a number exceeds 20% of it by 18, then find the number?