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    93 light bulbs were purchased for Rs. 93, and 19 light bulbs broke in transit. The trader sold the remaining light bulbs at Rs. 1.40 each. Find his pr
    Question

    93 light bulbs were purchased for Rs. 93, and 19 light bulbs broke in transit. The trader sold the remaining light bulbs at Rs. 1.40 each. Find his profit.

    A.

    Rs. 10.30

    B.

    Rs. 10.60

    C.

    Rs. 10.10

    D.

    Rs. 10.20

    Correct option is B

    Given:

    Total bulbs purchased = 93

    Total cost = Rs. 93

    Bulbs broken = 19

    Bulbs sold = 93 − 19 = 74

    Selling price per bulb = Rs. 1.40

    Find trader's profit.

    Formula Used:

    Profit = Selling Price − Cost Price

    Total SP = (Number of good bulbs) × (Selling price per bulb)

    Solution:

    Cost Price per bulb = 9393 \frac{93}{93}​ = 1

    Total SP = 74 × 1.40 = 103.6

    Profit = 103.6 - 93 = Rs. 10.6

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