rita spends 90% of her salary every month. if her savings are rs.900, find her salary.

Rita spends 90% of her salary.
Saving = Rs 900

Therefore savings = 100-90 
= 10%

Let the salary be x.
Then
10/100*x = 900
1/10*x = 900
x = 9000

Therefore, Rita's salary = Rs 9000