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    Question

    In 2018, the income-to-expenditure ratio of Vishal was

    5:3. The following year, his income increased by 10% while his expenditure rose by 15%. Determine Vishal's income in 2018 if he managed to save Rs. 820 in 2019.
    A Rs. 2,800 Correct Answer Incorrect Answer
    B Rs. 2,400 Correct Answer Incorrect Answer
    C Rs. 2,000 Correct Answer Incorrect Answer
    D Rs. 1,800 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Income = Expenditure + saving 5x × 110% -3x × 115% = 820 5.5x – 3.45x = 820 2.05x = 820 x = Rs. 400 Income of Vishal in 2018 = 400 × 5 = Rs. 2,000 Hence, option c.

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