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The average of 20 students is 12 years, if the teachers age is included, average increases by one. The age of the teacher is:

Asked Sep 07, 2023 Modified Sep 07, 2023 Viewed 0 times

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Mathematics

asked Sep 07, 2023 at 09:12

A

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33 years

answered Sep 07, 2023 at 09:12

A

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