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    Question

    Ravi invested Rs. 10,200 at 20% p.a. for 2 years and Rs.

    11,500 at 28% p.a. for 2 years on simple interest. What is the total interest he earned?
    A Rs.13,520 Correct Answer Incorrect Answer
    B Rs.10,520 Correct Answer Incorrect Answer
    C Rs.10,120 Correct Answer Incorrect Answer
    D Rs.11,520 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Simple interest = Principal × Rate × Time ÷ 100

    So, required interest = 10,200 × 20 × 2 ÷ 100 + 11,500 × 28 × 2 ÷ 100

    = 4,080 + 6,440 = Rs.10,520

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