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Between 1 and 31, m numbers have been inserted in such a way that the resulting sequence is an A.P. and the ratio of 7 th and ( m – 1) th numbers is 5:9. Find the value of m .

Answer» Between 1 and 31, m numbers have been inserted in such a way that the resulting sequence is an A.P. and the ratio of 7 th and ( m – 1) th numbers is 5:9. Find the value of m .


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