Multiple Choice Questions on The ratio of the ages of M and N is 6 5 The total of their ages is 7 7 decades The proportion of the........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The ratio of the ages of M and N is 6 5 The total of their ages is 7 7 decades The proportion of the...........

Quantitative Aptitude ( CCS) Problems based on Ages
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    The ratio of the ages of M and N is 6 : 5. The total of their ages is 7.7 decades. The proportion of their ages after 1.5 decades will be [1 Decade = 10 years]

    43:55

    Incorrect Answer

    50:57

    Incorrect Answer

    44:47

    Incorrect Answer

    57:50

    Correct Answer
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    Explanation:

    Solution: 
    (6+5)11x =77
    x=7
    M’s age = 42 years
    and N’s age = 35 years
    Proportion of their ages after 15 is = (42 + 15) : (35 + 15)
    = 57 : 50

    By: Pranav Gupta
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