Insert five numbers between 8 and 26 such that the resulting sequence is an A.P.

Insert five numbers between 11 and 29 such that the resulting sequence is an AP.

Insert five between 8 and 26 such that the resulting sequence is an A.P.

Insert 5 numbers between 7 and 25 such that the resulting sequence is an A.P.

Insert 6 numbers between 3 and 24 such that the resulting sequence is an A.P.

Insert five number between 4 and 8 so that the resulting sequence is an A.P.

Insert three numbers between 1 and 256 so that the resulting sequence is a G.P.

Insert four number between 6 and 192 so that the resulting sequence is a G.P.

Insert two number between 3 and 81 so that the resulting sequence is G.P.

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 7th and (m-1)th numbers is 5 : 9. Find the value of m.