An article is sold for ₹ 300 at a profit of 20%. Had it been sold for ₹ 235, the loss percentage would have been?

Let the cost price of article = ₹ N
Then, 120% of N = 300
⇒ (120 x N)/100 = 300
∴ N = (300 x 100)/120 = ₹ 250
Now, SP = ₹ 235
Then, loss percentage = [(250 - 235)/250 ] x 100 = 6%