Question

    The ratio between two numbers is 3:4. If each number is increased by 8, the ratio between then become 5:6, find the difference between numbers.

    A 4 Correct Answer Incorrect Answer
    B 2 Correct Answer Incorrect Answer
    C 3 Correct Answer Incorrect Answer
    D 5 Correct Answer Incorrect Answer

    Solution

    Let first number be 3x and the second number is 4x. According to the question, => (3x + 8)/(4x + 8) = 5/6 => 18x + 48 = 20x + 40 => x = 4 Required difference = 4(4) – 3(4) = = 16 - 12 = 4

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