A man has 5 article of equal cost price. If he sells 1st at 2% profit, 2nd at 3% loss, 3rd at 10% profit and 4th at 4% profit. If he wants to gain 6% profit overall, then find profit or loss percentage on fifth article.

12.5% 15% 17% 20%

17%

Let cost price of each article = 100 Rs. ATQ,     x + 100 × 2% - 100 × 3% + 100 × 10% + 100 × 4% = 500 × 6% ⇒ x + 2 - 3 + 10 + 4 = 30 ⇒ x + 13 = 30 ⇒ x = 17%