Correct Answer - Option 4 : Rs. 300.00

**Given:**

Selling Price of article = Rs.375

Profit = 1/4 of Cost Price

**Formula used:**

Profit = Selling Price - Cost Price

⇒ Cost Price = Selling Price - Profit

**Calculation:**

Let the cost price be = 4a

⇒ Profit = 4a × 1/4

⇒ a

Profit = 375 - 4a

⇒ a = 375 - 4a

⇒ 5a = 375

⇒ a = 375/5 = 75

⇒ 4a = 4 × 75 = 300

**∴ The cost price of the article is Rs.300.**