Ron has had 3 pay cuts in her salary in the past 6 months. If the first pay cut was 5%, the second pay cut was 10% and the third was 15%. What will be the percentage decrease, if the salary is decreased in a single shot?  Choose one
A) 29.33% B) 27.33% C) 17.33% D) 27.99% E) 29.33%
Let Rs.100 be initial salary.   Salary After 1st decrease, 5% = 95   Salary After 2nd decrease, 10% = 85.5 i.e. reduced by 10 percent of 95   Salary After 3rd decrease, 15% = 72.675 i.e. reduced by 15 percent of 85.5   So if its decreased in single shot =   i = ( ( b - a ) /b ) * 100   =27.33%   ANSWER:27.33%
<result>B</result>
Ron has had 3 pay cuts in her salary in the past 6 months. If the first pay cut was 5%, the second pay cut was 10% and the third was 15%. What will be the percentage decrease, if the salary is decreased in a single shot?