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    Question

    In a warehouse, there are 200 washing machines and 300

    microwaves. The average price of a washing machine is Rs. 15,000 while the average price of a microwave is Rs. 10,000. Find the average price (in Rs.) of all the washing machines and microwaves.
    A Rs.14,200 Correct Answer Incorrect Answer
    B Rs.18,500 Correct Answer Incorrect Answer
    C Rs.12,000 Correct Answer Incorrect Answer
    D Rs.13,230 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Required average = (200 × 15000 + 300 × 10000) ÷ (200 + 300)

    = (3000000 + 3000000) ÷ 500

    = (6000000 ÷ 500) = Rs. 12,000

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