Let the cost price of an article = x Selling percentage of the article = 6% of x Profit percentage of the article = 4% of x Difference between selling and profit percentage = Rs 3 6% of x - 4% of x = 3
6x
100
−
4x
100
=3 6x−4x=300 x=150 So, the cost price of the article is Rs 150.