An employee’s annual salary was increased by Rs. 15,000. If her new annual salary now equals Rs. 90,000/- what was the percent increase?

1. 15%
2. 16-2⁄3
3. 20%
4. 22%

New annual salary = $90,000

Salary increase = $15,000.

Original salary = $90,000 – $15,000.

= $75,000

%Increase = ($15,000/ $75,000 )*100

=20%