Multiple Choice Questions on The average age of 8 men is increased by 2 years When two of them whose ages are 20 years and 24 yea........... for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

The average age of 8 men is increased by 2 years When two of them whose ages are 20 years and 24 yea...........

Quantitative Aptitude (RRB NTPC) Average
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    The average age of 8 men is increased by 2 years. When two of them, whose ages are 20 years and 24 years respectively, are replaced by two women. What is the average age of these women?

    36 years

    Incorrect Answer

    30 years

    Correct Answer

    40 years

    Incorrect Answer

    42 years

    Incorrect Answer
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    Explanation:

    Total age increased = (8 * 2) years = 16 years.

    Sum of ages of two new men = (21 + 23 + 16) years = 60 years

    Average age of two new men = (60/2) years = 30 years.

    Hence, option 2 is the correct answer.

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