Multiple choice

A shopkeeper sold a book at 25% discount on the marked price but he gains 10%. If the marked price of the book is Rs. 550. Then find the cost price of the book.

  1. Rs.375

  2. Rs.420

  3. Rs.435

  4. Rs.450

  5. None of these

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

Marked price = Rs. 550. Selling price after 25% discount = 550 × 0.75 = Rs. 412.50. This selling price gives 10% profit, so Cost Price = 412.50 ÷ 1.10 = Rs. 375.