Between 1 and 31, m numbers have been inserted in such a way that the resulting sequence is an A. P
Channel: Doubtnut
Date: 2020-06-28

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^(t h)`and `(m-1)^(t h)`numbers is 5 : 9. Find the value of m.