Multiple choice

After giving two successive discounts each of x% on the marked price of an item, total discount is Rs.259.20. If the face value of the object is Rs.720, what will be the value of x?

  1. 25

  2. 24

  3. 18

  4. 20

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

After two successive x% discounts on Rs.720, final price = 720(1-x/100)² = 720 - 259.20 = 460.80. So (1-x/100)² = 460.80/720 = 0.64. Therefore 1-x/100 = 0.8, giving x/100 = 0.2, so x = 20.