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Averages

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by naaga » Tue Feb 24, 2009 1:13 am
. After 5 games, a rugby team had an average of 28 points per game. In order to increase the average by n points, how many points must be scored in a 6th game?
(A) n
(B) 6n
(C) 28n
(D) 28 + n
(E) 28 + 6n

can anyone explain a simple method to solve this averages problem.

Thanks in advance.
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by sureshbala » Tue Feb 24, 2009 1:20 am
If he scores 28 points in the 6th game the average will remain 28. Since we need an increase of n in the average over 6 games he needs to score 6n points more. Hence he should score 28+6n

Anyway, please search the forum before posting. This query is already answered here.

https://www.beatthegmat.com/averages-t30925.html#124809
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by naaga » Tue Feb 24, 2009 1:48 am
Thankyou sureshbala, one more thing i would like to know how to search for the problem once it was discussed , do you want me to go on a regular search or is there any other tool to make the search easy. Please let me know. Thank you .
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