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    Question

    In 2020 when his income was Rs. 25,000, Arjun spent 30% of

    his income and saved the rest. In 2021, if his income increased by 15% and his expenditure increased by Rs. 500, then by how much did his savings increase as compared to that in 2020?
    A Rs.3250 Correct Answer Incorrect Answer
    B Rs.3200 Correct Answer Incorrect Answer
    C Rs.4580 Correct Answer Incorrect Answer
    D Rs.5100 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Amount spent by Arjun in 2020 = 25000 × 0.3 = Rs. 7,500

    Amount saved by Arjun in 2020 = 25000 - 7500 = Rs. 17,500

    Income of Arjun in 2021 = 25000 × 1.15 = Rs. 28,750

    Amount spent by Arjun in 2021 = 7500 + 500 = Rs. 8,000

    So, amount saved by Arjun in 2021 = 28750 - 8000 = Rs. 20,750

    Increase in savings as compared to 2020 = 20750 - 17500 = Rs. 3,250

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