Question

A man buys an articles for 10% less than its value and sells it for 10% more than its value. His gain or loss percent is:​

Answer 1

Step-by-step explanation:

suppose value of article is x

he buys it less 10% so

x - 100/10

he selles it 10% profits

x+10%

x-100/10= x +10/100

x- x = 10/100+10/100= 20/100 =20%

his profit is 20%