Question

A watch was sold on it's marked price at a gain of 30%. But allowing 10% discount, there would have been Rs 510. Find the cost price of watch.​

Answer 1

Answer:

Cost Price = 510

Profit = 30%

⇒ Selling Price = 510 + 0.3 × 510 = 663

Let the Marked Price be x

⇒ SP = x – 0.15x = 0.85x

⇒ 0.85x = 663

⇒ x = 663/0.85 = Rs. 780

Step-by-step explanation:

Please mark my answer as BRAINLIEST