Multiple Choice Questions on 8 years ago Arun rsquo s age was 4 3 times that of Vinoth 8 years hence Arun rsquo s age will be 6 5........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

8 years ago Arun rsquo s age was 4 3 times that of Vinoth 8 years hence Arun rsquo s age will be 6 5...........

Quantitative Aptitude ( CCS) Problems based on Ages
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    8 years ago, Arun’s age was 4/3 times that of Vinoth. 8 years hence, Arun’s age will be 6/5 times that of Vinoth. What is the present age of Arun?

    20

    Incorrect Answer

    25

    Incorrect Answer

    30

    Incorrect Answer

    40

    Correct Answer
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    Explanation:

    Present age of Arun = x
    Present age of Vinoth = y
    x – 8 = 4/3 (y – 8)
    x + 8 = 6/5 (y + 8)
    3/4(x – 8) = y – 8
    5/6(x + 8) = y + 8
    y = 3/4 (x – 8) + 8 = 5/6 (x + 8) – 8
    10 – 20/3 = 10/12 x – 9/12 x
    10/3 = x/12
    x = 40.

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