Multiple choice general knowledge math & puzzles

If a merchant offers a discount of 40% on the marked price of his goods and thus ends up selling at cost price, what was the % mark up?

  1. 28.57%

  2. 40%

  3. 58.33%

  4. 66.66%

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

Let cost price be C. After 40% discount on marked price, selling price = C. So 0.60 × Marked Price = C, which means Marked Price = C/0.60 = 1.6667C. The markup is (Marked Price - Cost Price)/Cost Price × 100 = (1.6667C - C)/C × 100 = 66.67%.