GM of the numbers `3,3^2,3^3,...,3^n` is

The arthmetic mean of the numbers 1,3,3^(2), … ,3^(n-1), is

The arthmetic mean of the numbers 1,3,3^(2), … ,3^(n-1), is

Mean of the numbers 1,2,3,..., n with respective weights 1^(2)+1,2^(2)+2,3^(2)+3,......,n^(2)+n is

Mean of the numbers 1,2,3,..., , n with respective weights 1^(2)+1,2^(2)+2,3^(2)+3,......,n^(2)+n is

Mean of the numbers 1,2,3,…,n with respective weights 1^(2) + 1, 2^(2) + 2, 3^(2) + 3,…,n^(2)+n is

Mean of the numbers 1,2,3,…,n with respective weights 1^(2) + 1, 2^(2) + 2, 3^(2) + 3,…,n^(2)+n is

If N is the number of ways in which 3 distinct numbers canbe selected from the set {3^(1),3^(2),3^(3),...,3^(10)} so that they form a G.P. then the value of N/5 is

Find the G.M. of the numbers 2,3 and 4.