A person's salary is first increased by 20% and then reduced by 20%, then by how much does his salary increase?

A9s salary was increased by 40% and then decreased by 20%. On the whole A's salary is increased by

Salary of a person is first increased by 20%, then it is decreased by 20%. The percentage change in his salary is

Salary of a person is increased by 20%, then it is decreased by 20%. Change in his salary is:

The salary of a worker is first increased by 10% and thereafter it was reduced by 10%. What was the change in his salary?

Salary of a person is first Increased by 20%, then it is decreased by 20%. Change in his salary is :

The salary of a worker is first increased by 5% and then it is decreased by 5%. What is the change in his salary?