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    Question

    Kunal bought two gadgets for Rs. 8,400. He sold one at a

    profit of 40% and the other at a loss of 15%. If his overall profit is 12.5%, find the cost price of the gadget sold at 15% loss.
    A Rs.1600 Correct Answer Incorrect Answer
    B Rs.2000 Correct Answer Incorrect Answer
    C Rs.4200 Correct Answer Incorrect Answer
    D Rs.1240 Correct Answer Incorrect Answer

    Solution

    ATQ, Let cost price of the gadget sold at a profit of 40% = Rs. x Cost price of the gadget sold at a loss of 15% = Rs. (8400 βˆ’ x) ATQ, (1.40 Γ— x) + {0.85 Γ— (8400 βˆ’ x)} = 1.125 Γ— 8400 Or, 1.40x + 7140 βˆ’ 0.85x = 9450 Or, 0.55x = 2310 So, x = 4200 Therefore, cost price of the gadget sold at a loss of 15% = 8400 βˆ’ 4200 = Rs. 4,200

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