or
or
A person bought an article for Tk 800. After 6 months he sold it for Tk 880. Find his annual gain percent?
Gain = 880 - 800 = 80 Gain% = (80/800 * 100)% = 10% Since 6 months are half of a year, the annual gain% = 10*2 = 20% So the answer is 20
