Multiple choice

A shopkeeper earns a profit of 12% on selling a watch at 10% discount on the printed price. The ratio of the cost price and the printed price of the watch is: एक दुकानदार एक घड़ी को अंकित मूल्य पर 10% की छूट देने पर बेचने के बाद 12% का लाभ प्राप्त करता है | घड़ी के क्रय मूल्य और अंकित मूल्य में अनुपात है :

  1. 45 : 56

  2. 45 : 51

  3. 47 : 56

  4. 47 : 51
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Let CP = 45x, MP = 56x (checking option A). SP = MP × 0.9 = 56x × 0.9 = 50.4x. Profit = 50.4x - 45x = 5.4x. Profit % = 5.4x/45x × 100 = 12%. The ratio 45:56 satisfies the condition of 12% profit after 10% discount on marked price.

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