Multiple Choice Questions on The average of a group of men is increased by 8 years when a person aged of 22 years is replaced by ........... for RBI Grade B Exam Preparation

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Multiple Choice Questions

The average of a group of men is increased by 8 years when a person aged of 22 years is replaced by ...........

Quantitative Aptitude (RBI Grade B) Average
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    The average of a group of men is increased by 8 years when a person aged of 22 years is replaced by a new person of aged 62 years. How many men are there in the group?

    6

    Incorrect Answer

    8

    Incorrect Answer

    4

    Incorrect Answer

    5

    Correct Answer
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    Explanation:

    Solution:
    Let n be the no. of persons in the group.
    a-nd
    62-8n=22
    8n=40
    n=5.

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