Discuss Forum

1. A man purchases two clocks A and B at a total cost of Tk 650. He sells A with a 20% profit and B at a loss of 25% and gets the same selling price for both clocks. What are the purchasing prices of A and B respectively? 

  • A. 225, 425
  • B. 225, 425
  • C. 225, 425
  • D. 225, 425

Answer: Option D

Explanation:

Let the cost price of clock A be ₹x and that of clock B be ₹650-xFrom the given information, we can write120% of x =75% of 650-xTherefore,120100×x =75100×650-x⇒x=75120×650-x⇒x=58×650-x⇒8x=3250-5x⇒8x+5x=3250⇒13x=3250⇒x=325013⇒x=250Hence, the cost of clock A =₹250So, the cost of clock B=₹650-250=₹400Hence, the purchasing price of clock A is ₹250 and clock B is ₹400.

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