Multiple Choice Questions on The sum of three numbers is 210 If the ratio between the first and second number be 2 3 and that bet........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The sum of three numbers is 210 If the ratio between the first and second number be 2 3 and that bet...........

Quantitative Aptitude ( CCS) Ratio, Proportion
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    The sum of three numbers is 210. If the ratio between the first and second number be 2:3 and that between the second and third be 4:5, then the difference between the first and third number?

     

    21
     

    Incorrect Answer

    35
     

    Incorrect Answer

    42
     

    Correct Answer

    56

    Incorrect Answer
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    Explanation:

    a: b = 2:3 and b:c = 4:5
    a:b:c = 8:12:15
    Difference between first and third number  = (7/35)*210 = 42

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