Two numbers are less than third number by 30% and 37% respectively. How much percent is the second number less than by the first  Pick:
A) 8%
B) 10%
C) 9%
D) 11%
E) 12%
Let the third number is x.   then first number = (100-30)= 
<gadget id="calculator">(100-30)</gadget>
<output>70</output>
70% of x= 7x/10   Second number is (63x/100)   Difference = 7x/10 - 63x/100 = 7x/10   So required percentage is, difference is what percent of first number   (7x/100 * 10/7x * 100 )% = 10% ANSWER :10% (7 /100 * 10/7  * 100 )= 
<gadget id="calculator"> (7 /100 * 10/7  * 100 )</gadget>
<output>10</output>
10% ANSWER :10%
<result>B</result>
Two numbers are less than third number by 30% and 37% respectively. How much percent is the second number less than by the first