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    Question

    Originally, Karan’s monthly income was Rs. 25,000, and he

    used to spend and save in the ratio of 1:4. After a revision, he cut his expenses by 50% and boosted savings by 25%. Find the amount of hike in his income.
    A Rs.2500 Correct Answer Incorrect Answer
    B Rs.5600 Correct Answer Incorrect Answer
    C Rs.9500 Correct Answer Incorrect Answer
    D Rs.3500 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Initially, expenditure of Karan = 25000 × (1/5) = Rs. 5,000

    Initially, savings of Karan = 25000 × (4/5) = Rs. 20,000

    After salary hike, expenditure = 5000 × (50/100) = Rs. 2,500

    After salary hike, savings = 20000 × (125/100) = Rs. 25,000

    So, increased salary = 2500 + 25000 = Rs. 27,500

    Required salary hike = 27500 – 25000 = Rs. 2,500

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