Multiple choice

If on a marked price the difference of selling prices with a discount of 30% and two successive discount of 20% and 10% is Rs. 144, then what is the marked price(in Rs.)?

  1. Rs. 205.71

  2. Rs. 7200

  3. Rs. 205.24

  4. Rs. 7300

  5. Rs. 720

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

Let the MP = p    

Then, price after 30% discount = 0.7p

Price after successive discounts of 20% and 10% = 0.72p

Therfore, 0.02p = 144

p = Rs. 7200