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05-09-2020
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the average age of 5 boys is 12 years if one of them is 10 years. what is the average age of remaining boys

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05-09-2020

Total age of 5 boys=12(5)=60
One of them is 10 year old
The total age of remaining 4 boys=60-10=50
Average age of 4 boys=50/4=12.5

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