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    Question

    72% of a number is equal to 48% of another number. If the

    total of the two numbers is 420, find their difference.
    A 45 Correct Answer Incorrect Answer
    B 84 Correct Answer Incorrect Answer
    C 50 Correct Answer Incorrect Answer
    D 33 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the numbers be тАШxтАЩ and тАШyтАЩ respectively.

    According to the question,

    тЗТ 0.72x = 0.48y

    тЗТ x/y = 0.48 / 0.72 = 2/3

    So the numbers are in the ratio 2 : 3

    Sum of the numbers = 2 + 3 = 5 units = 420

    тЗТ 1 unit = 420 ├╖ 5 = 84

    тЗТ Difference = (3 тАУ 2) units = 1 unit = 84

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