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    Question

    Rs. 15,000 becomes Rs. 21,900 after 6 years on simple

    interest. What is the rate of interest per annum?
    A 18.19 Correct Answer Incorrect Answer
    B 11.22 Correct Answer Incorrect Answer
    C 7.67 Correct Answer Incorrect Answer
    D 20.11 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Interest earned = 21,900 - 15,000 = Rs. 6,900

    Simple interest = Principal × rate × time ÷ 100

    So, 6,900 = 15,000 × rate × 6 ÷ 100

    Or, 6,900 = 900 × rate

    Or, rate = 7.67

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