There are 50 boys in a class whose average age is 12 years there are 40boys in another class whose average is 15 years the average age of both the classes taken together is?
Answers
Answered by
2
Answer:
the value of average age of both is 13.33
Answered by
1
Answer:
13 years and 4 months
Step-by-step explanation:
- 50*12=600
- 40*15=600
- total =1200
- average =1200/50+40
- 1200/90=13.30years
- here. 0.30 means
- 4 months
- there fore the answer is 13 years and 4 months
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