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      Question

      A shopkeeper bought three items: a smartphone for Rs.

      14x, a camera for Rs. 10x, and a laptop for Rs. 16x. The average price of these items is Rs. 60,000. What is the price difference (in Rs.) between the smartphone and the laptop?
      A 74010 Correct Answer Incorrect Answer
      B 84430 Correct Answer Incorrect Answer
      C 70500 Correct Answer Incorrect Answer
      D 94160 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ; Total cost = average Γ— number of products = 60000 Γ— 3 = 180000

      Hence 14x + 10x + 16x = 40x = 180000 β‡’ x = 4500

      Difference = (16x βˆ’ 14x) = 2x = 9000

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