Math, asked by Jageshwarsahoo123456, 10 months ago

the average age of 15 student in a primary school is 12 years the average age of 16 student is 15 years and that of 18 student is 14 years find the average age of all the students

Answers

Answered by keshavanand10

2

12×15=180

16×15=280

18×14=252

b/w 13to 14

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