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    Question

    A sum of money grows to Rs. 5,400 in 6 years and Rs.

    6,000 in 8 years under simple interest. What is the original principal amount?
    A 2680 Correct Answer Incorrect Answer
    B 1250 Correct Answer Incorrect Answer
    C 3600 Correct Answer Incorrect Answer
    D 1120 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Difference in interest over 2 years: 6,000 − 5,400 = 600 Annual interest: 600 / 2 = 300   Principal = 5,400 − (6 × 300) = 3,600

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