The price of 1 pencil is subtracted from the price of 5 pens is equal to one fifth of the price of 3 pencils and 7 pens. Find the price of pencil as a percentage of the price of pen.
    Correct answer is '225'. Can you explain this answer?

    CAT Question

    By Rahul Raj · 4 days ago ·CAT
    ISHIKA GARG answered Aug 01, 2019
    Let the price of one pencil be x and the price of one pen be y.
    Now, (5y - x) = (3x + 7y)/5 25y - 5x = 3x + 7y
    x = 2.25y
    Thus, the price of pencil as percentage of the price of pen = (2.25y /y) x 100 = 225%
    Answer: 225

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