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The average age of 12 boys is 15 years a...

The average age of 12 boys is 15 years and the average age of 18 girls is 12 years .What is the conbined average age of the boys and girls ,taken together ?

A

`15.4`

B

`13.2`

C

`16.6`

D

`14.8`

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The correct Answer is:
2
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