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    Question

    30% of ‘x’ added to 70% of ‘y’ gives 140. If

    ‘y’ is 60 more than ‘x’, find the value of (2x – y)
    A 40 Correct Answer Incorrect Answer
    B 35 Correct Answer Incorrect Answer
    C 70 Correct Answer Incorrect Answer
    D 32 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    According to the question, 0.3x + 0.7y = 140…….. (1) And, y – x = 60……. (2) On solving equation (1) and (2), we get x = 100 and y = 160 Therefore, (2x – y) = 200 – 160 = 40

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