Mark the correct alternative in the following:

In n arithmetic means are inserted between 1 and 31 such that the ratio of the first mean and nth mean is 3 : 29, then the value of n is


Let a=1;b=31


Let a1,a2,a3,…an be the n A.M’s between 1 and 31


Then, common difference is given by





Now,





And





Now, given that







1