The average age of seven boys sitting in a row facing North is 26 years If the average age of first ...........

Quantitative Aptitude ( CCS) Average

The average age of seven boys sitting in a row facing North is 26 years. If the average age of first three boys is 19 years and the average age of last three boys is 32 years, what is the age of the boy who is sitting in middle of the row?

28 years

29 years

24 years

31 years

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Explanation:

Age of the fourth boy
= (26 × 7 – 3 × 19 – 3 × 32) years
= (182 – 57 - 96) years
= 29 years

By: Pranav Gupta

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The average age of seven boys sitting in a row facing North is 26 years If the average age of first ...........

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