The marked price of a washing machine is Rs. 7200. If it is sold for Rs. 5512.50 after two successive discounts of x% each. The value of x is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 12.5
| Concept | Application |
| Profit and loss |
As per the given question, Marked price of washing machine = 7200 Selling price = 5512.5 Discount = x% So, {7200 × (100 - x) × (100 - x)}/(100 × 100) = 5512.50 ⇒ (100 - x)2 = (5512.5 × 100)/72 ⇒ (100 - x)2 = 7656.25 ⇒ 100 - x = 87.5 ⇒ x = 12.5 |