New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Monthly savings of ‘A’ is Rs. 1500 more than his

    monthly expenditure and his total monthly income is Rs. 4100. If his monthly income is increased by 40% and his monthly savings is increased by 37.5%, then find the increase in his monthly expenditure
    A Rs. 520 Correct Answer Incorrect Answer
    B Rs. 580 Correct Answer Incorrect Answer
    C Rs. 590 Correct Answer Incorrect Answer
    D Rs. 570 Correct Answer Incorrect Answer

    Solution

    Monthly savings of ‘A’ = (4100 + 1500)/2 = Rs. 2800 Monthly expenditure of ‘A’ = 4100 – 2800 = Rs. 1300 Increased monthly expenditure of ‘A’ = 1.40 × 4100 – 1.375 × 2800 = Rs. 1890 Desired increase = 1890 – 1300 = Rs. 590

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