Question

    A sum of money grows to Rs. 2,800 in 3 years and Rs. 3,280

    in 5 years under simple interest. What is the original principal amount?
    A 2680 Correct Answer Incorrect Answer
    B 1250 Correct Answer Incorrect Answer
    C 1650 Correct Answer Incorrect Answer
    D 2080 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,
    Difference in interest over 2 years: 3,280 − 2,800 = 480
    Annual interest: 480 / 2 = 240
    Principal = 2,800 − (3 × 240) = 2,080

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