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

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

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

Insert 3 A.M.’s between 3 and 19.

Insert 16 rational numbers between 2.1 and 2.2

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.

Insert 100 rationals numbers between -5/13 and 8/13 .

Insert 6 arithmetic means between 3 and 24.

Insert 3 arithmetic means between : 3 and 15.