A’s salary is increased by 10% and then decreased by 10%.

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A’s salary is increased by 10% and then decreased by 10%. Then, change in salary is

1. 0%
2. 1% decrease
3. 1% increase
4. 2% decrease

Correct Option: B

Here , y = 10%
We can find the required answer with the help of given formula ,

Change in salary = -	y × y	%
	100

Change in salary = -	10 × 10	= -1 %
	100

Negative sign shows decrease.