Question

income of a person is increased by 6 % every year. what was his income 2 years ago if his present income is rupees 28090

Answer 1

let his income was x.
in 1st year his income was x*1.06,
similarly, his income in 2nd year is x*1.06*1.06 which is equal to 28090
therefore x=28090/1.06*1.06=25000

Answer 2

Let the income of the man be x.

In two years his income becomes x×106×106=28090

Let the income of the man be x.

In two years his income becomes x×106×106=28090.

Therefore x=28090/106×106=25000.