Correct Answer - Option 3 : Rs. 600
Given:
A whole-seller after allowing a successive discount of 20% and 10% on the list price of a product get a profit of Rs. 120
Formula Used:
Cost price = Selling price - profit
Calculation:
List price or marked price = Rs. 1000
⇒ Selling price of product = 1000 × (0.8) × (0.9) = Rs. 720
⇒ Cost price of product = Rs. (720 - 120) = Rs. 600