A man saves a certain portion of his income during a year and spends the remaining portion on his personal expenses. Next year his income increases by 25% but his savings increase by 100%. If his total expenditure in 2 years is double his expenditure in 1st year, What %age of his income in the first year did he save? Choose the correct choice from the following options
A) 20%  B) 25%  C) 28.5%  D) 30%  E) 32%
1st year Income= I   1st year savings= S   1st year Expense= E1   2nd year Income = 1.25I   2nd year savings= 2S (100% increase)   2nd Year expense= E2   E1+ E2= 2E1   E2=E1   That means Expenses are same during both years. With increase of 25% income the savings increased by 100%.   or S= .25I   or S= 25% of Income   25% is the answer
<result>B</result>
A man saves a certain portion of his income during a year and spends the remaining portion on his personal expenses. Next year his income increases by 25% but his savings increase by 100%. If his total expenditure in 2 years is double his expenditure in 1st year, What %age of his income in the first year did he save?