Selling price of 6 articles is equal to cost price of 7 articles. Find profit percentage.

12% 16\(\frac{2}{3}\)% 20% 25%

16\(\frac{2}{3}\)%

ATQ,                6S = 7C         ⇒ S  → 7,  C → 6 Profit % = \(\frac{1}{6}\) × 100 = 16\(\frac{2}{3}\)%