Math, asked by rjsaini376, 6 hours ago

the average of 8 boys is 12 year .If a boy of 19 years leaves the average age of the remaining boys is- 13 years. 11 years. 12 years. 10 years.

Answers

Answered by teachermaster213

1

It is given that average age of 8 boys is 12 years. Multiply both sides by 8. A boy of 19 years leave. Therefore, the new mean is 11.

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