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    Question

    Rohit allocates his monthly salary in different

    proportions: 15% on traveling, 20% on entertainment, 22% on studies, and 26% on food. The remainder is donated. If the difference between what he spent on studies and the amount he donated is Rs. 628, what is Rohit's monthly salary?
    A Rs.12,500 Correct Answer Incorrect Answer
    B Rs.12,560 Correct Answer Incorrect Answer
    C Rs.12,450 Correct Answer Incorrect Answer
    D Rs.12,120 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    We can say that let monthly salary of Rohit = Rs. 'r' Percentage of salary donated = 100 – (15 + 20 + 22 + 26) = 100 – 83 = 17% According to question, 0.22r – 0.17r = 628 0.05r = 628 r = 628/0.05 = 12560 So the monthly salary of Rohit = Rs.12,560

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