Multiple choice

How much percent above the cost price should a shopkeeper mark his goods so that after allowing a discount of 20% on the marked price, he gains 40%? एक दुकानदार एक वस्तु के अंकित मूल्य मे कितने प्रतिशत की वृद्धि कर दे कि 20% की छूट देने पर भी उसे 40% का लाभ प्राप्त हो ?

  1. 60 %

  2. 55 %

  3. 75 %

  4. 65 %

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

Let CP = 100. To gain 40% after discount, SP must be 140. With 20% discount on MP, SP = 0.8 × MP. So 0.8 × MP = 140, MP = 175. Mark-up = 175 - 100 = 75%. Therefore, 75% mark-up is needed to achieve 40% profit after 20% discount.