A person's salary was decreased by 50% and subsequently increased by 50% and then again increased by 100%. How much percentage does he loss or gain?
A. Loss of 40%
B. Gain of 50%
C. Gain of 25%
D. Loss of 10%
Answer: Option B
Solution (By Examveda Team)
$$\eqalign{ & {\text{Let salary}} = 100 \cr & {\text{Then, }}100 \times \frac{{50}}{{100}} \times \frac{{150}}{{100}} \times \frac{{200}}{{100}} = 150\% \cr & {\text{Gain}} = 150 - 100 = \boxed{50\% } \cr} $$This Question Belongs to Arithmetic Ability >> Profit And Loss
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