A’s salary was decreased by 50% and subsequently increased

Home » Aptitude » Percentage » Question

A’s salary was decreased by 50% and subsequently increased by 50%. How much per cent does he lose?

1. 25%
2. 50%
3. 12 1 %
  2
4. No loss

Correct Option: A

Here , y = 50%
As we know that ,

Effect on percentage =	- y²	%
	100

Effect on percentage =		– 50 × 50		% = –25%
		100

Negative sign shows decrease.