Two numbers are less than third number by 20% and 37% respectively. How much percent is the second number less than by the first Choose the correct answer: A) 5% B) 10% C) 9% D) 11% E) 12%
Let the third number is x.   then first number = (100-20)= 
<gadget id="calculator">(100-20)</gadget>
<output>80</output>
80% of x= 80x/100   Second number is (63x/100)   Difference = 80x/100 - 63x/100 = 17x/100   So required percentage is, difference is what percent of first number   (17x/100 * 100/80x * 100 )% = 5% 5%NSWER :5%
<result>A</result>
Two numbers are less than third number by 20% and 37% respectively. How much percent is the second number less than by the first