average age of a group of 39children is 14 years , if the average age of 25 children of the group is 13 years what is the approximate average age of remaining 14 children if you is ?????? IF YOU DON'T KNOW THE ANSWER DON'T WRITE......
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Instead we try to solve the questions quickly. ... Out of these 70 students, if the average mark of 40 .... The average age of a committee of 8 members is 40 years.
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hope you understand from the figure provided here
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