Multiple choice

The difference between the selling prices of a keyboard at losses 15% and 25% is ₹ 50. Then the cost price of a keyboard is:

  1. ₹ 240

  2. ₹ 330

  3. ₹ 300

  4. ₹ 500

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let cost price = x. Selling price at 15% loss = 0.85x. Selling price at 25% loss = 0.75x. Difference: 0.85x - 0.75x = 0.10x = 50. Therefore x = 50/0.10 = 500.