Math, asked by dipikadas91, 13 days ago

Average of ages of 6 boys is 12.And if a new boy joins average becomes 13.what is the age of that new boy?

Answers

Answered by Anonymous

0

Answer:

19

Step-by-step explanation:

Average age of 6 boys=12

Total age= 6*12=72

Average age of 7 boys=13

Total age= 7*13=91

New boy's age= 91-72=19

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