A man donated 5% of his income to a charitable organization and deposited 20% of the remainder in bank. Now if he has Rs 1919 left, what is his income ?
Let the income be x,
Donation =5x100
money left =x−5x100=95x100
deposit in bank=20100×95x100
money left =95x100×80100=1919
x=100×100×191995×80=2525
Income =2525Rs