Math, asked by vishnuakv000, 7 months ago

The average age of 12 boys is 15 years if the average of first 2 boys is 20 years. Find the average age of last 10 boys?

Answers

Answered by sohail7138

1

Answer:

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Answered by Anonymous

2

Answer:

thus avg age of 10 boys=140/10=14 yrs

Step-by-step explanation:

The average age of 12 boys is 15 years

sum of age=12*15=180

the average of first 2 boys=20

sum =2*20=40

Total age of 10 boys=180-40=140

thus avg age of 10 boys=140/10=14 yrs

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